Chicago (ORD) to St Louis (STL) flights
GoJet Airlines, United Airlines, Envoy Air, SkyWest Airlines, Republic Airline, American Airlines fly nonstop from Chicago O'Hare International Airport to St. Louis Lambert International Airport, with about 107 flights a week in July 2026. The 258-mile flight takes about 1h 23m gate to gate.
- Distance
- 258 mi · 415 km
- Flight time
- 1h 23m
- Airlines
- 6
- Seats filled
- 77%
Airlines flying ORD to STL
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| GoJet Airlines | 39 | Bombardier CRJ550 | 85,472 | 1h 25m |
| United Airlines | 21 | Airbus A319, Boeing 737-800, Airbus A320-100/200 | 59,138 | 1h 23m |
| Envoy Air | 19 | Embraer E170, Embraer E175 | 41,349 | 1h 19m |
| SkyWest Airlines | 13 | Bombardier CRJ700, Embraer E175, Bombardier CRJ550 | 42,554 | 1h 25m |
| Republic Airline | 7 | Embraer E175, Embraer E170 | 26,067 | 1h 25m |
| American Airlines | 7 | Airbus A319, Boeing 737-800, Boeing 737 MAX 8 | 49,573 | 1h 12m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
ORD to STL flight schedule
24 flight numbers flew this route in August 2026, 14 of them almost daily. The first usually leaves at 7:00am and the last at 11:00pm. 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) |
|---|---|---|---|---|
| AA 3568American Airlines · operated by Envoy Air | 7:00am | 8:24am | 27 | 82% |
| AA 4104American Airlines · operated by Envoy Air | 7:04am | 8:31am | 4 | 95% |
| UA 4681United Airlines · operated by SkyWest Airlines | 7:05am | 8:39am | 16 | 69% |
| UA 5958United Airlines · operated by SkyWest Airlines | 7:05am | 8:39am | 10 | 83% |
| UA 4613United Airlines · operated by GoJet Airlines | 8:40am | 10:12am | 31 | 73% |
| UA 775United Airlines | 10:29am | 12:02pm | 21 | 62% |
| UA 1355United Airlines | 10:40am | 12:11pm | 10 | 91% |
| AA 6352American Airlines · operated by SkyWest Airlines | 11:25am | 12:50pm | 4 | 72% |
| AA 6355American Airlines · operated by SkyWest Airlines | 11:29am | 12:54pm | 27 | 61% |
| UA 4581United Airlines · operated by GoJet Airlines | 12:55pm | 2:23pm | 10 | 76% |
| UA 4479United Airlines · operated by GoJet Airlines | 1:30pm | 2:57pm | 20 | 70% |
| UA 2000United Airlines | 2:07pm | 3:38pm | 31 | 68% |
| AA 3620American Airlines · operated by Envoy Air | 3:00pm | 4:24pm | 27 | 67% |
| AA 4537American Airlines · operated by Republic Airline | 3:07pm | 4:40pm | 4 | 81% |
| UA 4416United Airlines · operated by GoJet Airlines | 3:35pm | 5:06pm | 30 | 62% |
| UA 4518United Airlines · operated by GoJet Airlines | 5:45pm | 7:16pm | 31 | 66% |
| AA 3570American Airlines · operated by Envoy Air | 5:59pm | 7:27pm | 27 | 54% |
| AA 4144American Airlines · operated by Envoy Air | 6:03pm | 7:29pm | 4 | 59% |
| UA 4412United Airlines · operated by GoJet Airlines | 7:45pm | 9:17pm | 31 | 59% |
| UA 2144United Airlines | 7:55pm | 9:26pm | 10 | 54% |
| UA 1032United Airlines | 8:29pm | 10:00pm | 21 | 48% |
| UA 4576United Airlines · operated by GoJet Airlines | 9:30pm | 10:59pm | 28 | 66% |
| AA 1004American Airlines | 11:00pm | 12:16am | 4 | 55% |
| AA 3069American Airlines | 11:00pm | 12:14am | 27 | 54% |
Is ORD to STL on time?
From September 2025 to August 2026, 69% of 5,251 flights arrived within 15 minutes of schedule and 3.1% were cancelled. Flights leaving around 7am were the most punctual (85%), those around 5pm the least (54%). Most delay time was caused by late-arriving aircraft (49%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 3,146 | 69% | 32 min | 2.8% |
| American Airlines | 2,105 | 70% | 23 min | 3.6% |
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 |
|---|---|---|---|
| 7am to 8am | 325 | 85% | |
| 8am to 9am | 149 | 71% | |
| 9am to 10am | 318 | 73% | |
| 10am to 11am | 332 | 75% | |
| 11am to 12pm | 228 | 69% | |
| 12pm to 1pm | 470 | 76% | |
| 1pm to 2pm | 226 | 77% | |
| 2pm to 3pm | 488 | 69% | |
| 3pm to 4pm | 262 | 75% | |
| 4pm to 5pm | 477 | 69% | |
| 5pm to 6pm | 359 | 54% | |
| 6pm to 7pm | 322 | 65% | |
| 7pm to 8pm | 360 | 60% | |
| 8pm to 9pm | 279 | 61% | |
| 9pm to 10pm | 230 | 66% | |
| 10pm to 11pm | 259 | 65% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 392 | 27,757 | |
| September 2025 | 384 | 26,958 | |
| October 2025 | 414 | 29,171 | |
| November 2025 | 371 | 19,979 | |
| December 2025 | 368 | 19,504 | |
| January 2026 | 346 | 16,943 | |
| February 2026 | 384 | 20,729 | |
| March 2026 | 429 | 25,372 | |
| April 2026 | 483 | 26,679 | |
| May 2026 | 536 | 30,440 | |
| June 2026 | 460 | 30,601 | |
| July 2026 | 475 | 30,475 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.