Flights Columbus → St. Louis
CMH → STL
Route overview
This flight route operates between Columbus and St. Louis, utilizing Boeing 737-300 aircraft for the journey. With a total of 166 flights recorded, the route maintains a punctuality rate of 78%, with an average delay time of 17.7 minutes when delays occur. The origin airport in Columbus has been in operation since 1929 and connects to St. Louis, which sees over 13 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 Columbus (CMH) → St. Louis (STL) route is operated by Southwest Airlines. Across 221 flights monitored in recent months, 79% arrived on time (within 15 min of schedule), with an average delay of 15 minutes. The cancellation rate is 2.71%. FlightGuard's average computed risk is 19.1/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At St. Louis the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Columbus the average ATFM delay is 2.0 minutes.
Heading to St. Louis: what to expect in this direction
Flying from Columbus (CMH) to St. Louis (STL) heads west for about 657 km, a flight time of roughly 1h 14m.
Departures from Columbus on this leg cluster in the overnight window: about 52% of CMH-STL flights take off then.
Air-traffic congestion: departing Columbus the average ATFM delay is 2.0 min (atfm); arriving into St. Louis it is 2.0 min (atfm).
Across 221 tracked CMH-STL flights, 79% left on time with an average delay of 15 min and a 2.7% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Southwest Airlines (WN) | 73% | 6 min | 3.1% |
Airlines operating CMH-STL
Airports
Frequently asked questions about CMH-STL
On the Columbus (CMH) -> St. Louis (STL) route, on-time performance is 79% with an average delay of 15 minutes, based on 221 tracked flights.
The cancellation rate on Columbus-St. Louis is 2.71% across 221 monitored flights.
The route is operated by 1 airline: Southwest Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at St. Louis, 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.
