Flights St. Louis → Dallas
STL → DAL
How long is the flight from St. Louis to Dallas?
The flight from St. Louis (STL) to Dallas (DAL) takes about 1h 31m. 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
The flight route from St. Louis to Dallas operates with a high frequency, totaling 474 flights annually. With an on-time performance rate of 75%, the average delay for these flights is approximately 11.4 minutes, making it relatively punctual despite serving one of the busiest airports in terms of passenger traffic, which sees over 17.5 million passengers per year.
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 St. Louis (STL) → Dallas (DAL) route is operated by Southwest Airlines. Across 1192 flights monitored in recent months, 69% arrived on time (within 15 min of schedule), with an average delay of 18 minutes. The cancellation rate is 1.51%. FlightGuard's average computed risk is 23.1/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Dallas the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from St. Louis the average ATFM delay is 5.5 minutes.
Heading to Dallas: what to expect in this direction
Flying from St. Louis (STL) to Dallas (DAL) heads south-west for about 878 km, a flight time of roughly 1h 31m.
Departures from St. Louis on this leg cluster in the overnight window: about 38% of STL-DAL flights take off then.
Air-traffic congestion: departing St. Louis the average ATFM delay is 5.5 min (atfm); arriving into Dallas it is 5.5 min (atfm).
Across 1,192 tracked STL-DAL flights, 69% left on time with an average delay of 18 min and a 1.5% cancellation rate.
Route facts
Flights on this route
Check the risk of a specific flight.
Flexible on this trip? Compare flights
Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Southwest Airlines (WN) | 75% | 5 min | 0.3% |
Airlines operating STL-DAL
Airports
Frequently asked questions about STL-DAL
The flight from St. Louis (STL) to Dallas (DAL) takes about 1h 31m. 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 St. Louis (STL) -> Dallas (DAL) route, on-time performance is 69% with an average delay of 18 minutes, based on 1192 tracked flights.
The cancellation rate on St. Louis-Dallas is 1.51% across 1192 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 Dallas, 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.
