American AirlinesAA
live
Direct flights from St Louis (STL) to Phoenix (PHX): 60 nonstop departures observed each week across 2 airlines. 67% of the last 6 tracked flights arrived within 15 minutes of schedule. The median arrival is 17 minutes early. 2 of the 6 tracked flights were cancelled. 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 15 November 2026 at 20:08 UTC.
Today, STL → PHX
Sun 15 Nov · local times- 05:05 WN1671Southwest Airlines Left 05:25 +20 Landed 07:13 −17
- 07:56 AA2574American Airlines Left 08:16 +20 Landed 09:55 −37
- 09:35 WN4187Southwest Airlines Left 09:35 Landed 11:57 −3
- · AA2303American Airlines On schedule PHX est. 16:35sched 16:48
- · WN3091Southwest Airlines On schedule PHX est. 17:18sched 17:20
- · WN4188Southwest Airlines On schedule PHX est. 22:05 +25sched 21:40
- · WN4189Southwest Airlines On schedule PHX 00:15scheduled
- · WN4452Southwest Airlines On schedule PHX est. 13:44sched 13:55
Checked STL board 10:18 · PHX board 13:08
STL
St Louis
busy · +15
PHX
Phoenix
smooth · +0
2,027 km · ~3h 06m est.
Runs mixed · 2 airlines · 60x weekly · nonstop
67% on time
of the last 6 tracked STL → PHX flights arrived within 15 minutes
Median arrival delay is −17 min. 2 of 6 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival−17 minacross the last 4 arrivals
Flight time~3h 06mestimated from route distance
Weekly departures60x2 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 daysHistory
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
Conditions are tightest at STL: a 37% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +8 min. Both figures come from the two airports' delay records in similar weather. 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 90/100. 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 19:20 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 60 flights a week between them. Compare carrier days and times in the airline list above.
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