Atlanta (ATL) to Chicago (ORD) flights
Delta Air Lines, United Airlines, American Airlines, Frontier Airlines, Republic Airline fly nonstop from Hartsfield Jackson Atlanta International Airport to Chicago O'Hare International Airport, with about 131 flights a week in July 2026. The 606-mile flight takes about 2h 15m gate to gate.
- Distance
- 606 mi ยท 975 km
- Flight time
- 2h 15m
- Airlines
- 5
- Seats filled
- 81%
Airlines flying ATL to ORD
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Delta Air Lines | 52 | Boeing 737-900ER, Boeing 737-800, Airbus A321 | 384,147 | 2h 10m |
| United Airlines | 39 | Boeing 737-700 / MAX 7, Airbus A319, Boeing 737-800 | 178,941 | 2h 20m |
| American Airlines | 21 | Airbus A319, Airbus A321, Boeing 737-800 | 61,328 | 2h 16m |
| Frontier Airlines | 13 | Airbus A321, Airbus A320neo, Airbus A320-100/200 | 121,151 | 2h 17m |
| Republic Airline | 6 | Embraer E175 | 17,592 | 2h 23m |
| Envoy AirSeasonal or ended | n/a | Embraer E175, Embraer E170 | 22,384 | 2h 20m |
| Spirit AirlinesCeased operations 2026-05-02 | n/a | Airbus A321, Airbus A320neo, Airbus A320-100/200 | 7,291 | 2h 4m |
| SkyWest AirlinesSeasonal or ended | n/a | Bombardier CRJ700, Embraer E175, Bombardier CRJ200 | 2,085 | 2h 23m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
ATL to ORD flight schedule
28 flight numbers flew this route in August 2026, 20 of them almost daily. The first usually leaves at 6:35am and the last at 10:40pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| F9 1441Frontier Airlines | 6:35am | 7:53am | 31 | 73% |
| DL 1178Delta Air Lines | 7:30am | 8:44am | 26 | 87% |
| AA 1333American Airlines | 7:39am | 9:00am | 27 | 89% |
| DL 1147Delta Air Lines | 9:01am | 10:13am | 22 | 79% |
| UA 1554United Airlines | 10:05am | 11:23am | 21 | 72% |
| UA 364United Airlines | 10:05am | 11:28am | 10 | 82% |
| UA 1288United Airlines | 11:08am | 12:27pm | 21 | 67% |
| UA 1239United Airlines | 11:29am | 12:52pm | 10 | 82% |
| DL 2894Delta Air Lines | 11:30am | 12:40pm | 31 | 71% |
| AA 1041American Airlines | 12:05pm | 1:26pm | 27 | 56% |
| AA 1363American Airlines | 12:13pm | 1:30pm | 4 | 74% |
| DL 1477Delta Air Lines | 12:52pm | 2:09pm | 31 | 73% |
| UA 745United Airlines | 1:21pm | 2:41pm | 29 | 78% |
| AA 2910American Airlines | 3:13pm | 4:38pm | 23 | 52% |
| DL 2738Delta Air Lines | 3:28pm | 4:51pm | 31 | 58% |
| UA 516United Airlines | 3:40pm | 5:01pm | 30 | 71% |
| DL 2879Delta Air Lines | 5:20pm | 6:49pm | 31 | 46% |
| AA 616American Airlines | 5:28pm | 6:54pm | 31 | 66% |
| F9 1595Frontier Airlines | 6:23pm | 7:53pm | 18 | 56% |
| F9 3397Frontier Airlines | 6:23pm | 7:53pm | 13 | 57% |
| UA 1046United Airlines | 6:57pm | 8:23pm | 10 | 61% |
| UA 2657United Airlines | 7:04pm | 8:27pm | 21 | 43% |
| DL 2486Delta Air Lines | 7:35pm | 8:55pm | 31 | 58% |
| AA 1372American Airlines | 7:53pm | 9:30pm | 4 | 43% |
| AA 2808American Airlines | 8:04pm | 9:35pm | 27 | 35% |
| UA 324United Airlines | 8:42pm | 10:00pm | 21 | 50% |
| UA 785United Airlines | 8:44pm | 9:59pm | 8 | 52% |
| DL 1199Delta Air Lines | 10:40pm | 11:57pm | 31 | 71% |
Is ATL to ORD on time?
From September 2025 to August 2026, 69% of 6,493 flights arrived within 15 minutes of schedule and 2.4% were cancelled. Flights leaving around 7am were the most punctual (86%), those around 5pm the least (45%). Most delay time was caused by air traffic control and airport congestion (41%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 2,631 | 68% | 22 min | 2.2% |
| United Airlines | 1,734 | 73% | 26 min | 1.9% |
| American Airlines | 1,396 | 69% | 32 min | 3.1% |
| Frontier Airlines | 716 | 64% | 39 min | 3.1% |
| Spirit Airlines | 16 | 81% | 6 min | 0% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 6am to 7am | 251 | 86% | |
| 7am to 8am | 547 | 86% | |
| 8am to 9am | 265 | 77% | |
| 9am to 10am | 408 | 80% | |
| 10am to 11am | 413 | 79% | |
| 11am to 12pm | 553 | 82% | |
| 12pm to 1pm | 310 | 69% | |
| 1pm to 2pm | 399 | 79% | |
| 3pm to 4pm | 865 | 64% | |
| 5pm to 6pm | 489 | 45% | |
| 6pm to 7pm | 389 | 57% | |
| 7pm to 8pm | 517 | 57% | |
| 8pm to 9pm | 337 | 51% | |
| 9pm to 10pm | 164 | 65% | |
| 10pm to 11pm | 346 | 69% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 561 | 74,071 | |
| September 2025 | 541 | 68,151 | |
| October 2025 | 568 | 73,745 | |
| November 2025 | 498 | 58,571 | |
| December 2025 | 474 | 59,837 | |
| January 2026 | 435 | 51,114 | |
| February 2026 | 446 | 51,455 | |
| March 2026 | 481 | 58,133 | |
| April 2026 | 528 | 67,707 | |
| May 2026 | 587 | 77,701 | |
| June 2026 | 564 | 75,755 | |
| July 2026 | 581 | 78,967 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.