STL → PHXSt Louis to Phoenix

live

Direct flights from St Louis (STL) to Phoenix (PHX): 14 nonstop departures observed each week across 2 airlines. The median arrival is 24 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 10 September 2026 at 01:53 UTC.

STL St Louis smooth · +14
PHX Phoenix smooth · +0
2,027 km · ~3h 06m est.
dep bank 06:00–20:4514x weekly
Running clean · 2 airlines · 14x weekly · nonstop
91 / 100

route health from live STL and PHX delay boards

Median arrival delay is −24 min. 0 of 4 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−24 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 time
06121824
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 days
American AirlinesAA

Flights AA2574 08:00 daily

Southwest AirlinesWN

Flights WN4593 06:00 Mo Th Fr Sa · WN830 07:35 Tu We · WN4668 08:25 Sa Su · WN3877 11:50 Mo Tu We Th Fr Sa

History

operated legs · board outcomes
09-09AA2574arrived−36
09-09AA2660dep +6 → arr−24
09-09WN1587dep +20 → arr−3
09-09WN3877dep +5 → arr−25

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
STLSt Louis +14 min smooth 🌤 overcast · N 5 kt Full STL delay board →
PHXPhoenix +0 min smooth 🌤 scattered clouds · WSW 7 kt Full PHX delay board →

Weather lens

Current conditions put the pressure at STL: 42% 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 →

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
https://proflightsearch.com/search-flights/STL-PHX
How we measure this →

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 91/100. 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 06:00 and evening departures around 17:00 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 35 flights a week between them. Compare carrier days and times in the airline list above.