Which airline has the best punctuality record on Atlanta to Chicago flights?

Over the past year, United Airlines has had the lowest number of delays on this route, with just 8% of flights being delayed.

How often are flights from Atlanta to Chicago delayed?

About 12% of weekly flights between Atlanta and Chicago have experienced delays in the past year, with the average delay time being 137 minutes.

What is the most punctual flight time for Atlanta to Chicago flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

How long is the flight from Atlanta to Chicago O'Hare Intl Airport?

There are many flights that can get you from Atlanta to Chicago O'Hare Intl Airport in 2h 18m. Fly via Delta or United Airlines to get the fastest option. There are 975 km between Atlanta and Chicago O'Hare Intl Airport. Generally, flights for this route are direct.

Weekly flight availability from Atlanta to Chicago O'Hare Intl Airport

The most flights from ATL to ORD are scheduled on a Friday (95 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (73 on average).

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

What are the most reliable airlines from Atlanta to Chicago O'Hare Intl Airport?

Consider Korean Air (73%), Japan Airlines (72%) or United Airlines (69%) when booking your flight. These represent the most reliable airlines when flying from Atlanta to Chicago O'Hare Intl Airport.

What airport do you fly from for flights from Atlanta to Chicago O'Hare Intl?

Atlanta Hartsfield-Jackson (ATL), located 13.2 km from the city centre, is the airport you fly out of when you book flights from Atlanta to Chicago O'Hare Intl. 0 airlines have flights from Hartsfield-Jackson to Chicago O'Hare Intl on a regular basis. Booking flights from Atlanta Hartsfield-Jackson to Chicago O'Hare Intl should not be difficult; the airport handles an average of 83 outbound flights to Chicago O'Hare Intl per day.

Can I find deals for flights from Atlanta to O'Hare Intl that include hotel bookings?

Yes. In addition to deals on Atlanta to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Atlanta to O'Hare Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Atlanta to O'Hare Intl.

Can I find deals for business class flights from Atlanta to O'Hare Intl?

Yes. Cheapflights offers flight deals from Atlanta to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 133+ Cheap Flights from Atlanta to Chicago O'Hare Intl Airport

Cheapflights Tip: The best prices from Atlanta Hartsfield-Jackson to Chicago O'Hare Intl are usually found in January or February, booked 47 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Atlanta to O'Hare Intl

Enter your travel dates to find the best prices.

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Cheapest flights from Atlanta to O'Hare Intl
Explore the most affordable flight options available from Atlanta to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 September 2026.

Thu 22/107:25 a.m. -

Nonstop2h 14m

Thu 29/105:27 a.m. -

Nonstop2h 02m

Deal found 24/9C$ 335

Fri 30/103:40 p.m. -

Nonstop2h 18m

Mon 2/116:30 a.m. -

Nonstop2h 03m

Deal found 24/9C$ 346

Fri 23/1010:50 p.m. -

Nonstop2h 07m

Fri 30/106:30 a.m. -

Nonstop2h 03m

Deal found 23/9C$ 358

Thu 24/124:18 p.m. -

Nonstop2h 11m

Fri 1/17:00 a.m. -

1 stop4h 07m

Deal found 26/9C$ 361

Tue 20/107:20 p.m. -

Nonstop2h 18m

Sun 1/115:27 a.m. -

Nonstop2h 02m

Deal found 23/9C$ 370

Tue 15/122:08 p.m. -

1 stop5h 18m

Fri 1/16:00 a.m. -

Nonstop2h 00m

Deal found 23/9C$ 372

Fri 30/101:10 p.m. -

Nonstop2h 19m

Sun 1/118:03 p.m. -

Nonstop2h 12m

Deal found 26/9C$ 382

Wed 21/107:30 a.m. -

1 stop6h 29m

Fri 30/101:55 p.m. -

1 stop6h 59m

Deal found 23/9C$ 386

Wed 23/129:20 a.m. -

Nonstop2h 21m

Sat 26/126:00 p.m. -

Nonstop2h 17m

Deal found 23/9C$ 387

Mon 21/124:50 p.m. -

1 stop4h 28m

Thu 31/127:25 a.m. -

Nonstop2h 05m

Deal found 27/9C$ 392

Tue 24/117:25 a.m. -

1 stop7h 34m

Fri 27/116:00 a.m. -

Nonstop1h 58m

Deal found 28/9C$ 396

Mon 2/1110:50 p.m. -

Nonstop2h 07m

Thu 5/115:27 a.m. -

Nonstop2h 02m

Deal found 27/9C$ 403

Find flight deals from Atlanta to O'Hare Intl

Round-trip from	C$ 335
One-way from	C$ 133
Popular in	July
Cheapest in	January
Average price	C$ 370
Good round-trip deal	C$ 496 or less
Good one-way deal	C$ 556 or less

United Airlines
17/10-20/10
Nonstop
4h 29m total
Atlanta to Chicago

Search Deals

Frontier
12/11-31/12
1 total stop
9h 06m total
Atlanta to Chicago

Search Deals

Highest demand for flights based on searches. 17% potential increase in price (C$ 101 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease (C$ 13 potential savings vs. average RT price).

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Average for round-trip flights in September 2026

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Price to beat on a round-trip flight from Atlanta Hartsfield-Jackson to Chicago O'Hare Intl.

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Price to beat on a one-way flight from Atlanta Hartsfield-Jackson to Chicago O'Hare Intl.

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Atlanta to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AtlantaChicago

ATL Atlanta Hartsfield-Jackson - ORD Chicago O'Hare Intl

ATLORD

Atlanta Hartsfield-Jackson

Thu 26/11

8:05 a.m.-9:22 a.m.

Nonstop2h 17m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 168

Quickest round-trip

AtlantaChicago

ATL Atlanta Hartsfield-Jackson - ORD Chicago O'Hare Intl

ATLORD

Atlanta Hartsfield-Jackson

Thu 15/10

9:00 a.m.-10:11 a.m.

Nonstop2h 11m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 168

AtlantaChicago

ATL Atlanta Hartsfield-Jackson - ORD Chicago O'Hare Intl

ATLORD

Atlanta Hartsfield-Jackson

Tue 20/10

5:50 p.m.-7:11 p.m.

Nonstop2h 21m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 168

AtlantaChicago

ATL Atlanta Hartsfield-Jackson - ORD Chicago O'Hare Intl

ATLORD

Atlanta Hartsfield-Jackson

Fri 30/10

4:41 p.m.-8:30 p.m.

1 stop4h 49m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 194

AtlantaChicago

ATL Atlanta Hartsfield-Jackson - ORD Chicago O'Hare Intl

ATLORD

Atlanta Hartsfield-Jackson

Wed 14/10

3:40 p.m.-4:58 p.m.

Nonstop2h 18m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 202

AtlantaChicago

ATL Atlanta Hartsfield-Jackson - ORD Chicago O'Hare Intl

ATLORD

Atlanta Hartsfield-Jackson

Sat 26/12

10:46 p.m.-11:59 p.m.

Nonstop2h 13m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 221

AtlantaChicago

ATL Atlanta Hartsfield-Jackson - ORD Chicago O'Hare Intl

ATLORD

Atlanta Hartsfield-Jackson

Wed 24/3

3:10 p.m.-6:40 p.m.

1 stop4h 30m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 235

AtlantaChicago

ATL Atlanta Hartsfield-Jackson - ORD Chicago O'Hare Intl

ATLORD

Atlanta Hartsfield-Jackson

Thu 25/3

7:25 a.m.-12:37 p.m.

1 stop6h 12m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 256

AtlantaChicago

ATL Atlanta Hartsfield-Jackson - ORD Chicago O'Hare Intl

ATLORD

Atlanta Hartsfield-Jackson

Sat 17/10

5:50 p.m.-7:11 p.m.

Nonstop2h 21m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 298

AtlantaChicago

ATL Atlanta Hartsfield-Jackson - ORD Chicago O'Hare Intl

ATLORD

Atlanta Hartsfield-Jackson

Sat 10/10

5:50 p.m.-7:11 p.m.

Nonstop2h 21m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 298

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/9

Showing 1-10 of 24 resultsSorted by cheapest first

Best time to book a flight from Atlanta to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Atlanta with our price prediction graph.

ATL-ORD

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Atlanta to Chicago O'Hare Intl Airport

Prices

Airlines

Delays

How far ahead should I book a flight from Atlanta to Chicago O'Hare Intl Airport?

To ensure you get the cheapest price possible for a flight from Atlanta to Chicago O'Hare Intl Airport, you should look to book at least 46 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Atlanta to Chicago O'Hare Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Atlanta to Chicago O'Hare Intl Airport (average of C$ 245). Flying from Atlanta to Chicago O'Hare Intl Airport in July is currently the most expensive (average of C$ 426). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ATL to ORD?

When flying from Atlanta to Chicago O'Hare Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 87% versus a flight in the afternoon.

How much does it cost to fly round-trip from Atlanta to Chicago O'Hare Intl Airport?

Airfare is typical for this route at the moment.

Atlanta to Chicago O'Hare Intl Airport flights typically cost between C$ 191 and C$ 402 in October.
The cheapest round-trip price found within the last 5 days was C$ 335 on Delta (22 Oct-29 Oct).

Related info for your journey

What airport do you fly from for flights from Atlanta to Chicago O'Hare Intl?
Atlanta Hartsfield-Jackson (ATL), located 13.2 km from the city centre, is the airport you fly out of when you book flights from Atlanta to Chicago O'Hare Intl. 0 airlines have flights from Hartsfield-Jackson to Chicago O'Hare Intl on a regular basis. Booking flights from Atlanta Hartsfield-Jackson to Chicago O'Hare Intl should not be difficult; the airport handles an average of 83 outbound flights to Chicago O'Hare Intl per day.
How long is the flight from Atlanta to Chicago O'Hare Intl Airport?
There are many flights that can get you from Atlanta to Chicago O'Hare Intl Airport in 2h 18m. Fly via Delta or United Airlines to get the fastest option. There are 975 km between Atlanta and Chicago O'Hare Intl Airport. Generally, flights for this route are direct.
What are the most reliable airlines from Atlanta to Chicago O'Hare Intl Airport?
Consider Korean Air (73%), Japan Airlines (72%) or United Airlines (69%) when booking your flight. These represent the most reliable airlines when flying from Atlanta to Chicago O'Hare Intl Airport.
Can I find deals for flights from Atlanta to O'Hare Intl that include hotel bookings?
Yes. In addition to deals on Atlanta to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Atlanta to O'Hare Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Atlanta to O'Hare Intl.
Can I find deals for business class flights from Atlanta to O'Hare Intl?
Yes. Cheapflights offers flight deals from Atlanta to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Atlanta to Chicago O'Hare Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Atlanta to Chicago O'Hare Intl Airport (average of C$ 245). Flying from Atlanta to Chicago O'Hare Intl Airport in July is currently the most expensive (average of C$ 426). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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When you search for this flight from Atlanta to O'Hare Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Atlanta to O'Hare Intl?

Millions of users choose and trust Cheapflights to book the best flight deals from Atlanta to O'Hare Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Atlanta to O'Hare Intl with no change fees?

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Cheap flights from Atlanta to Chicago O'Hare Intl Airport from C$ 133

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Atlanta to O'Hare Intl

Cheapest flights from Atlanta to O'Hare IntlExplore the most affordable flight options available from Atlanta to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 September 2026.

Explore the most affordable flight options available from Atlanta to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 September 2026.

Best flights from Atlanta to O'Hare IntlDiscover carefully curated flight deals from Atlanta to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 28 September 2026.

Discover carefully curated flight deals from Atlanta to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 28 September 2026.

Direct flights from Atlanta to O'Hare IntlExplore direct flight options from Atlanta to O'Hare Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 28 September 2026.

Explore direct flight options from Atlanta to O'Hare Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 28 September 2026.

Last-minute flights from Atlanta to O'Hare IntlDiscover last-minute flight deals from Atlanta to O'Hare Intl. Data last updated 28 September 2026 and is based on user searches.

Discover last-minute flight deals from Atlanta to O'Hare Intl. Data last updated 28 September 2026 and is based on user searches.

One-way flights from Atlanta to O'Hare IntlSearch for one-way flight options from Atlanta to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 28 September 2026.

Search for one-way flight options from Atlanta to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 28 September 2026.

Find flight deals from Atlanta to O'Hare Intl

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Use the filters below to find and compare flights from Atlanta to Chicago O'Hare Intl Airport that are best for you.

Best time to book a flight from Atlanta to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Atlanta with our price prediction graph.

Cheapflights Insights

How far ahead should I book a flight from Atlanta to Chicago O'Hare Intl Airport?

To ensure you get the cheapest price possible for a flight from Atlanta to Chicago O'Hare Intl Airport, you should look to book at least 46 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Atlanta to Chicago O'Hare Intl Airport?

What is the cheapest time of day to fly from ATL to ORD?

When flying from Atlanta to Chicago O'Hare Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 87% versus a flight in the afternoon.

How much does it cost to fly round-trip from Atlanta to Chicago O'Hare Intl Airport?

Airfare is typical for this route at the moment.

Atlanta to Chicago O'Hare Intl Airport flights typically cost between C$ 191 and C$ 402 in October.The cheapest round-trip price found within the last 5 days was C$ 335 on Delta (22 Oct-29 Oct).

Weekly flight availability from Atlanta to Chicago O'Hare Intl Airport

The most flights from ATL to ORD are scheduled on a Friday (95 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (73 on average).

How often are flights from Atlanta to Chicago delayed?

About 12% of weekly flights between Atlanta and Chicago have experienced delays in the past year, with the average delay time being 137 minutes.

What is the most punctual flight time for Atlanta to Chicago flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Atlanta to Chicago flights?

Over the past year, United Airlines has had the lowest number of delays on this route, with just 8% of flights being delayed.

Related info for your journey

What airport do you fly from for flights from Atlanta to Chicago O'Hare Intl?

How long is the flight from Atlanta to Chicago O'Hare Intl Airport?

What are the most reliable airlines from Atlanta to Chicago O'Hare Intl Airport?

Can I find deals for flights from Atlanta to O'Hare Intl that include hotel bookings?

How can I find direct flights from Atlanta to O'Hare Intl?

Can I find deals for business class flights from Atlanta to O'Hare Intl?

What is the cheapest month to book a flight from Atlanta to Chicago O'Hare Intl Airport?

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Why should you use Cheapflights to find cheap flight tickets from Atlanta to O'Hare Intl?

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Can Cheapflights notify me if prices for flights from Atlanta to O'Hare Intl become cheaper?

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Cheapest flights from Atlanta to O'Hare Intl
Explore the most affordable flight options available from Atlanta to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 September 2026.

Best flights from Atlanta to O'Hare Intl
Discover carefully curated flight deals from Atlanta to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 28 September 2026.

Direct flights from Atlanta to O'Hare Intl
Explore direct flight options from Atlanta to O'Hare Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 28 September 2026.

Last-minute flights from Atlanta to O'Hare Intl
Discover last-minute flight deals from Atlanta to O'Hare Intl. Data last updated 28 September 2026 and is based on user searches.

One-way flights from Atlanta to O'Hare Intl
Search for one-way flight options from Atlanta to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 28 September 2026.

Atlanta to Chicago O'Hare Intl Airport flights typically cost between C$ 191 and C$ 402 in October.
The cheapest round-trip price found within the last 5 days was C$ 335 on Delta (22 Oct-29 Oct).