Skip to content

Flights St. Louis → Raleigh-durham

STL → RDU

19.2
Average risk (Medium)
75%
On-time
9 min
Average delay
1.1%
Cancellations
1
Airlines

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 188 flights monitored in recent months, 75% arrived on time (within 15 min of schedule), with an average delay of 9 minutes. The cancellation rate is 1.06%. FlightGuard's average computed risk is 19.2/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Raleigh-durham the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from St. Louis the average ATFM delay is 2.0 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 62% of STL-RDU flights take off then.

Air-traffic congestion: departing St. Louis the average ATFM delay is 2.0 min (atfm); arriving into Raleigh-durham it is 2.0 min (atfm).

Across 188 tracked STL-RDU flights, 75% left on time with an average delay of 9 min and a 1.1% cancellation rate.

Route facts

Time difference
1h ahead
Arrival (dest. local time)
09:46
Elevation RDU
435 ft
Est. CO₂/passenger
~107 kg

Flexible on this trip? Compare flights

Airline punctuality on this route

Airline On-time Average delay Cancellations
Southwest Airlines (WN) 73% 6 min 3.1%

Airlines operating STL-RDU

Frequently asked questions about STL-RDU

On the St. Louis (STL) -> Raleigh-durham (RDU) route, on-time performance is 75% with an average delay of 9 minutes, based on 188 tracked flights.

The cancellation rate on St. Louis-Raleigh-durham is 1.06% across 188 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.