Flights Atlanta → Chicago
ATL → MDW
How long is the flight from Atlanta to Chicago?
The flight from Atlanta (ATL) to Chicago (MDW) takes 1h 26m on average. That is the median time recorded across 3 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
Route overview
The flight route from Atlanta to Chicago operates with a high frequency of 841 flights, featuring aircraft such as the Airbus A319, Boeing 717, Airbus A320, and Boeing 737-700. With an on-time performance rate of 77%, these flights experience an average delay of 15.1 minutes, serving a destination airport that handles nearly 19.9 million passengers annually.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The Atlanta (ATL) → Chicago (MDW) route is operated by Air France, Delta Air Lines, KLM Royal Dutch Airlines, Southwest Airlines. Across 2112 flights monitored in recent months, 70% arrived on time (within 15 min of schedule), with an average delay of 20 minutes. The cancellation rate is 2.46%. FlightGuard's average computed risk is 23/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Chicago the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from Atlanta the average ATFM delay is 5.5 minutes.
Heading to Chicago: what to expect in this direction
Flying from Atlanta (ATL) to Chicago (MDW) heads north for about 952 km, a flight time of roughly 1h 26m.
Departures from Atlanta on this leg cluster in the midday window: about 37% of ATL-MDW flights take off then.
Air-traffic congestion: departing Atlanta the average ATFM delay is 5.5 min (atfm); arriving into Chicago it is 5.5 min (atfm).
Across 2,112 tracked ATL-MDW flights, 70% left on time with an average delay of 20 min and a 2.5% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Delta Air Lines (DL) | 85% | 1 min | 0.8% |
| Air France (AF) | 82% | 28 min | 0.0% |
| KLM Royal Dutch Airlines (KL) | 82% | 19 min | 5.9% |
| Southwest Airlines (WN) | 75% | 5 min | 0.3% |
Airlines operating ATL-MDW
Airports
Frequently asked questions about ATL-MDW
The flight from Atlanta (ATL) to Chicago (MDW) takes 1h 26m on average. That is the median time recorded across 3 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
On the Atlanta (ATL) -> Chicago (MDW) route, on-time performance is 70% with an average delay of 20 minutes, based on 2112 tracked flights.
The cancellation rate on Atlanta-Chicago is 2.46% across 2112 monitored flights.
The route is operated by 4 airlines: Air France, Delta Air Lines, KLM Royal Dutch Airlines, Southwest Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Chicago, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
