Flights St. Louis → New Orleans
STL → MSY
Route overview
The flight route from St. Louis to New Orleans operates with a high level of punctuality, with 84% of flights arriving on time. On average, the flights experience a delay of 7.3 minutes, and over the course of a year, approximately two hundred flights are scheduled along this route, serving one of the busiest destination airports in terms of annual passenger traffic at nearly twelve million passengers.
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) → New Orleans (MSY) route is operated by Southwest Airlines. Across 258 flights monitored in recent months, 82% arrived on time (within 15 min of schedule), with an average delay of 9 minutes. The cancellation rate is 0.78%. FlightGuard's average computed risk is 14.2/100 (low), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At New Orleans 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 New Orleans: what to expect in this direction
Flying from St. Louis (STL) to New Orleans (MSY) heads south for about 974 km, a flight time of roughly 1h 38m.
Departures from St. Louis on this leg cluster in the overnight window: about 47% of STL-MSY flights take off then.
Air-traffic congestion: departing St. Louis the average ATFM delay is 2.0 min (atfm); arriving into New Orleans it is 2.0 min (atfm).
Across 258 tracked STL-MSY flights, 82% left on time with an average delay of 9 min and a 0.8% 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 STL-MSY
Airports
Frequently asked questions about STL-MSY
On the St. Louis (STL) -> New Orleans (MSY) route, on-time performance is 82% with an average delay of 9 minutes, based on 258 tracked flights.
The cancellation rate on St. Louis-New Orleans is 0.78% across 258 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 New Orleans, 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.
