PIT → STLPittsburgh to St Louis

live

Direct flights from Pittsburgh (PIT) to St Louis (STL): 7 nonstop departures observed each week across 1 airline. 75% of the last 12 operated flights arrived within 15 minutes of schedule. The median arrival is 11 minutes early. No cancellations were recorded across the 12 tracked flights. The nonstop covers 889 km, an estimated 1 hour 38 minutes in the air. Measured by Pro Flight Search from live flight boards at Pittsburgh and St Louis. Updated 17 October 2026 at 01:44 UTC.

Today, PIT → STL

Fri 16 Oct · local times
  1. 06:50 WN3550Southwest Left 07:01 +11 Landed 07:24 −21
  2. 20:20 WN3453Southwest Est. 20:42Departure not confirmed by the board STL est. 21:16 +16sched 21:00

Checked PIT board 20:25 · STL board 20:44

PIT Pittsburgh busy · +16
STL St Louis smooth · +13
889 km · ~1h 38m est.
dep bank 06:45–20:207x weekly
Runs mixed · 1 airline · 7x weekly · nonstop
75% on time

of the last 12 operated PIT → STL flights arrived within 15 minutes

Median arrival delay is −11 min. 0 of 12 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−11 minacross the last 12 operated legs
Flight time~1h 38mestimated from route distance
Weekly departures7x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 12

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Southwest 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
Southwest AirlinesWN75% on time

Flights WN266 06:45 Su · WN3523 06:50 Tu We · WN3550 06:50 Mo Th Fr · WN2920 12:20 Sa

History

operated legs · board outcomes
10-16WN3550dep +11 → arr−21
10-15WN3453dep +63 → arr+61
10-15WN3550dep +11 → arr−19
10-14WN3523dep +12 → arr−18
10-14WN4658dep +20 → arr−2
10-13WN3523dep +10 → arr−26
10-13WN4658dep +16 → arr−10
10-12WN3453dep +61 → arr+38
10-12WN3550dep +13 → arr−23
10-11WN266dep +11 → arr−27
10-11WN2944dep +67 → arr+46
10-10WN2920dep +11 → arr−11

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
PITPittsburgh +16 min busy ⛅ overcast · W 5 kt Full PIT delay board →
STLSt Louis +13 min smooth 🌤 overcast · N 11 kt Full STL delay board →

Weather lens

Current conditions put the pressure at PIT and STL: 43% 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 Pittsburgh to St Louis route actually runs

Pro Flight Search records official board updates for nonstop PIT to STL 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 — Pittsburgh (PIT) to St Louis (STL) route reliability, measured from operated flights on official airport boards.

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

PIT to STL questions

Is PIT–STL running on time right now?

Mostly on schedule. The departure side at PIT is the weaker end, route health score 76/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on PIT–STL?

Operators schedule morning departures around 06:45 and evening departures around 19:15 from PIT. Earlier flights typically land before destination-airport delays accumulate later in the day; check the STL delay card to confirm conditions when you'd arrive.

How long is the flight from PIT to STL?

Great-circle distance is 889 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 93–106 min gate-to-gate on this route.

How often does PIT–STL fly?

Southwest Airlines runs the route with about 13 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.