STL → PHLSt Louis to Philadelphia

live

Direct flights from St Louis (STL) to Philadelphia (PHL): 36 nonstop departures observed each week across 2 airlines. 88% of the last 25 tracked flights arrived within 15 minutes of schedule. The median arrival is 10 minutes early. No cancellations were recorded across the 35 tracked flights. The nonstop covers 1,306 km, an estimated 2 hours 10 minutes in the air. Measured by Pro Flight Search from live flight boards at St Louis and Philadelphia. Updated 30 October 2026 at 11:18 UTC.

Today, STL → PHL

Fri 30 Oct · local times
  1. · AA1739American On schedule PHL 14:40scheduled
  2. · AA5089American On schedule PHL est. 09:06sched 09:19
  3. · WN1109Southwest On schedule PHL 13:55scheduled
  4. · WN4401Southwest On schedule PHL 23:15scheduled

Checked STL board 06:18 · PHL board 06:53

STL St Louis smooth · +3
PHL Philadelphia smooth · +0
1,306 km · ~2h 10m est.
dep bank 06:00–19:5036x weekly
Runs reliable · 2 airlines · 36x weekly · nonstop
88% on time

of the last 25 tracked STL → PHL flights arrived within 15 minutes

Median arrival delay is −10 min. 0 of 35 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−10 minacross the last 25 arrivals
Flight time~2h 10mestimated from route distance
Weekly departures36x2 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 35

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 AirlinesAA88% on time

Flights AA3124 06:00 We Th · AA5089 06:00 Mo Tu Th Fr Sa Su · AA1739 11:21 daily · AA3049 17:40 daily

Southwest AirlinesWN89% on time

Flights WN3253 10:15 Su · WN1109 10:40 Mo Th Fr · WN3757 12:10 Tu We · WN2390 14:35 Su

History

operated legs · board outcomes
10-29AA1739dep +25 → arr−3
10-29AA3049dep +4 → arr−16
10-29AA3124dep +2 → arr−19
10-29WN1109dep +8 → arr−21
10-29WN4401departed+169
10-28AA3049dep +2 → arr−24
10-28AA3124dep +3 → arr−15
10-28WN3757dep +8 → arr−21
10-28WN4401dep +10 → arr−17
10-27AA3049dep +2 → arr−19
10-27AA5089dep +2 → arr−35
10-27WN3757dep +118 → arr+89
10-27WN4401departed+4
10-26AA1739dep +234 → arr+200
10-26AA3049departed+11
10-26AA5089dep +4 → arr−12
10-26WN1109dep +35 → arr+7
10-26WN4401departed+45
10-25AA1739dep +4 → arr−16
10-25AA3049departed+4
10-25AA5089arrived+6
10-25WN2390dep +6 → arr−12
10-25WN3253dep +21 → arr−5
10-25WN4401departed+14
10-24AA1739dep +7 → arr−8
10-24AA3049dep +5 → arr−7
10-24AA5089dep +12 → arr−6
10-24LN325NDdeparted+0
10-24WN1911dep +15 → arr−2
10-23AA1739dep +96 → arr+77
10-23AA3049departed+7
10-23AA5089dep +4 → arr−10
10-23WN1109dep +22 → arr−4
10-23WN4401departed+63
10-23WUP667departed+52

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 +3 min smooth 🌤 mostly cloudy · E 6 kt Full STL delay board →
PHLPhiladelphia +0 min smooth 🌤 mostly cloudy · WSW 8 kt Full PHL delay board →

Weather lens

Conditions are tightest at STL and PHL: a 41% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +9 min. Both figures come from the two airports' delay records in similar weather. See live delays → · Weather risk by airport →

How the St Louis to Philadelphia route actually runs

Pro Flight Search records official board updates for nonstop STL to PHL 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 Philadelphia (PHL) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/STL-PHL
How we measure this →

STL to PHL questions

Is STL–PHL running on time right now?

Smooth skies ahead. The departure side at STL is the weaker end, route health score 96/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on STL–PHL?

Operators schedule morning departures around 06:00 and evening departures around 17:40 from STL. Earlier flights typically land before destination-airport delays accumulate later in the day; check the PHL delay card to confirm conditions when you'd arrive.

How long is the flight from STL to PHL?

Great-circle distance is 1,306 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 122–142 min gate-to-gate on this route.

How often does STL–PHL fly?

2 carriers operate this route, around 36 flights a week between them. Compare carrier days and times in the airline list above.