American AirlinesAA
live
Direct flights from St Louis (STL) to Phoenix (PHX): 14 nonstop departures observed each week across 2 airlines. The median arrival is 21 minutes early. No cancellations were recorded across the 4 tracked flights. The nonstop covers 2,027 km, an estimated 3 hours 6 minutes in the air. Measured by Pro Flight Search from live flight boards at St Louis and Phoenix. Updated 21 October 2026 at 03:18 UTC.
Today, STL → PHX
Tue 20 Oct · local times- 14:31 AA590American Airlines Left 14:37 +6 Landed 15:29 −36
- 16:55 WN4113Southwest Airlines Left 17:16 +21 Landed 18:08 −7
- 20:50 WN4114Southwest Airlines Left 20:57 +7 PHX est. 21:49In the air · sched 22:10
- · AA2574American Airlines Departed Landed 09:12 −26
Checked STL board 22:18 · PHX board 20:07
STL
St Louis
smooth · +6
PHX
Phoenix
smooth · +0
2,027 km · ~3h 06m est.
Running clean · 2 airlines · 14x weekly · nonstop
95 / 100
route health from live STL and PHX delay boards
Median arrival delay is −21 min. 0 of 4 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival−21 minacross the last 4 operated legs
Flight time~3h 06mestimated from route distance
Weekly departures14x2 direct airlines on the leg
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
American AirlinesSouthwest Airlines
Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysSouthwest AirlinesWN
Flights WN1315 05:05 Mo Th Fr · WN3593 06:05 Su · WN155 06:20 Tu We · WN1439 06:25 Sa
History
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at STL: 40% odds of a 15+ minute delay and around +9 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the St Louis to Phoenix route actually runs
Pro Flight Search records official board updates for nonstop STL to PHX flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search — St Louis (STL) to Phoenix (PHX) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/STL-PHX
STL to PHX questions
Is STL–PHX running on time right now?
Smooth skies ahead. The departure side at STL is the weaker end, route health score 95/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on STL–PHX?
Operators schedule morning departures around 05:05 and evening departures around 17:50 from STL. Earlier flights typically land before destination-airport delays accumulate later in the day; check the PHX delay card to confirm conditions when you'd arrive.
How long is the flight from STL to PHX?
Great-circle distance is 2,027 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 173–204 min gate-to-gate on this route.
How often does STL–PHX fly?
2 carriers operate this route, around 48 flights a week between them. Compare carrier days and times in the airline list above.
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