Flights Washington → St. Louis
DCA → STL
How long is the flight from Washington to St. Louis?
The flight from Washington (DCA) to St. Louis (STL) takes about 1h 52m. This is an estimate based on the distance between the two airports: the real time depends on the aircraft, wind and any stops.
Route overview
This flight route operates between Washington and St. Louis, using Canadair Regional Jet 700 aircraft. With a total of 572 flights recorded, the route has a 70% on-time performance rate, with an average delay of 18 minutes when not arriving on schedule.
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 Washington (DCA) → St. Louis (STL) route is operated by American Airlines, Southwest Airlines. Across 1424 flights monitored in recent months, 67% arrived on time (within 15 min of schedule), with an average delay of 21 minutes. The cancellation rate is 3.93%. FlightGuard's average computed risk is 26/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At St. Louis the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from Washington the average ATFM delay is 5.5 minutes.
Heading to St. Louis: what to expect in this direction
Flying from Washington (DCA) to St. Louis (STL) heads west for about 1,154 km, a flight time of roughly 1h 52m.
Departures from Washington on this leg cluster in the morning window: about 40% of DCA-STL flights take off then.
Air-traffic congestion: departing Washington the average ATFM delay is 5.5 min (atfm); arriving into St. Louis it is 5.5 min (atfm).
Across 1,424 tracked DCA-STL flights, 67% left on time with an average delay of 21 min and a 3.9% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| American Airlines (AA) | 79% | 6 min | 1.1% |
| Southwest Airlines (WN) | 75% | 5 min | 0.3% |
Airlines operating DCA-STL
Airports
Frequently asked questions about DCA-STL
The flight from Washington (DCA) to St. Louis (STL) takes about 1h 52m. This is an estimate based on the distance between the two airports: the real time depends on the aircraft, wind and any stops.
On the Washington (DCA) -> St. Louis (STL) route, on-time performance is 67% with an average delay of 21 minutes, based on 1424 tracked flights.
The cancellation rate on Washington-St. Louis is 3.93% across 1424 monitored flights.
The route is operated by 2 airlines: American Airlines, 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.
