Flights St. Louis → Raleigh-durham
STL → RDU
How long is the flight from St. Louis to Raleigh-durham?
The flight from St. Louis (STL) to Raleigh-durham (RDU) takes about 1h 46m. 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 Raleigh-Durham has a punctuality rate of 76%, with an average delay of 9.4 minutes per flight. Over the course of a year, this route sees 156 flights, serving one of the destination's airports which handles approximately 14,523,996 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 St. Louis (STL) → Raleigh-durham (RDU) route is operated by Southwest Airlines. Across 384 flights monitored in recent months, 71% arrived on time (within 15 min of schedule), with an average delay of 15 minutes. The cancellation rate is 0.52%. FlightGuard's average computed risk is 15/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Raleigh-durham 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 Raleigh-durham: what to expect in this direction
Flying from St. Louis (STL) to Raleigh-durham (RDU) heads east for about 1,072 km, a flight time of roughly 1h 46m.
Departures from St. Louis on this leg cluster in the overnight window: about 51% of STL-RDU flights take off then.
Air-traffic congestion: departing St. Louis the average ATFM delay is 5.5 min (atfm); arriving into Raleigh-durham it is 5.5 min (atfm).
Across 384 tracked STL-RDU flights, 71% left on time with an average delay of 15 min and a 0.5% 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) | 75% | 5 min | 0.3% |
Airlines operating STL-RDU
Airports
Frequently asked questions about STL-RDU
The flight from St. Louis (STL) to Raleigh-durham (RDU) takes about 1h 46m. 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) -> Raleigh-durham (RDU) route, on-time performance is 71% with an average delay of 15 minutes, based on 384 tracked flights.
The cancellation rate on St. Louis-Raleigh-durham is 0.52% across 384 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 Raleigh-durham, 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.