Flights Phoenix → St. Louis
PHX → STL
Route overview
The flight route from Phoenix to St. Louis operates with a high frequency of 633 total flights, featuring an on-time performance rate of 77%. The average delay for these flights is approximately 13.5 minutes, and the aircraft used are primarily Airbus A319 and Boeing 737-300 models. The destination airport in St. Louis serves over thirteen million passengers annually, underscoring its significance as a major travel hub.
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 Phoenix (PHX) → St. Louis (STL) route is operated by American Airlines, Southwest Airlines. Across 832 flights monitored in recent months, 75% arrived on time (within 15 min of schedule), with an average delay of 14 minutes. The cancellation rate is 0.84%. FlightGuard's average computed risk is 25/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At St. Louis the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Phoenix the average ATFM delay is 2.0 minutes.
Heading to St. Louis: what to expect in this direction
Flying from Phoenix (PHX) to St. Louis (STL) heads north-east for about 2,026 km, a flight time of roughly 2h 57m.
Departures from Phoenix on this leg cluster in the overnight window: about 46% of PHX-STL flights take off then.
Air-traffic congestion: departing Phoenix the average ATFM delay is 2.0 min (atfm); arriving into St. Louis it is 2.0 min (atfm).
Across 832 tracked PHX-STL flights, 75% left on time with an average delay of 14 min and a 0.8% 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 |
|---|---|---|---|
| American Airlines (AA) | 74% | 16 min | 3.0% |
| Southwest Airlines (WN) | 73% | 6 min | 3.1% |
Airlines operating PHX-STL
Airports
Frequently asked questions about PHX-STL
On the Phoenix (PHX) -> St. Louis (STL) route, on-time performance is 75% with an average delay of 14 minutes, based on 832 tracked flights.
The cancellation rate on Phoenix-St. Louis is 0.84% across 832 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.
