Columbus (CMH) to St Louis (STL) flights
Southwest Airlines flies nonstop from John Glenn Columbus International Airport to St. Louis Lambert International Airport, with about 13 flights a week in July 2026. The 409-mile flight takes about 1h 22m gate to gate.
- Distance
- 409 mi · 658 km
- Flight time
- 1h 22m
- Airlines
- 1
- Seats filled
- 68%
Airlines flying CMH to STL
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 13 | Boeing 737-700 / MAX 7, Boeing 737 MAX 8, Boeing 737-800 | 71,807 | 1h 22m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
CMH to STL flight schedule
4 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 6:40am and the last at 7:35pm. 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) |
|---|---|---|---|---|
| WN 4572Southwest Airlines | 6:40am | 7:05am | 4 | n/a |
| WN 1785Southwest Airlines | 7:20am | 7:45am | 12 | 92% |
| WN 1656Southwest Airlines | 7:25pm | 7:50pm | 8 | n/a |
| WN 4203Southwest Airlines | 7:35pm | 8:00pm | 28 | 71% |
Is CMH to STL on time?
From September 2025 to August 2026, 83% of 674 flights arrived within 15 minutes of schedule and 0.6% were cancelled. Flights leaving around 8am were the most punctual (96%), those around 8pm the least (65%). Most delay time was caused by late-arriving aircraft (57%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 674 | 83% | 12 min | 0.6% |
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 |
|---|---|---|---|
| 6am to 7am | 22 | 91% | |
| 7am to 8am | 184 | 96% | |
| 8am to 9am | 104 | 96% | |
| 9am to 10am | 44 | 91% | |
| 6pm to 7pm | 50 | 90% | |
| 7pm to 8pm | 98 | 67% | |
| 8pm to 9pm | 125 | 65% | |
| 9pm to 10pm | 35 | 71% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 55 | 6,293 | |
| September 2025 | 55 | 6,975 | |
| October 2025 | 57 | 6,242 | |
| November 2025 | 54 | 6,277 | |
| December 2025 | 57 | 6,344 | |
| January 2026 | 54 | 5,166 | |
| February 2026 | 52 | 5,441 | |
| March 2026 | 59 | 6,164 | |
| April 2026 | 56 | 5,295 | |
| May 2026 | 56 | 5,331 | |
| June 2026 | 57 | 6,403 | |
| July 2026 | 57 | 5,943 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.