PIT → STLPittsburgh to St Louis

live

Direct flights from Pittsburgh (PIT) to St Louis (STL): 13 nonstop departures observed each week across 1 airline. 75% of the last 12 tracked flights arrived within 15 minutes of schedule. The median arrival is 17 minutes early. No cancellations were recorded across the 13 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 15 November 2026 at 16:18 UTC.

Today, PIT → STL

Sun 15 Nov · local times
  1. 06:35 WN3561Southwest Sched 06:35Departure not confirmed by the board STL 07:35scheduled

Checked PIT board 10:18 · STL board 10:18

PIT Pittsburgh busy · +15
STL St Louis smooth · +0
889 km · ~1h 38m est.
dep bank 06:50–20:1513x weekly
Runs mixed · 1 airline · 13x weekly · nonstop
75% on time

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

Median arrival delay is −17 min. 0 of 13 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−17 minacross the last 12 arrivals
Flight time~1h 38mestimated from route distance
Weekly departures13x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 13

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 AirlinesWN82% on time

Flights WN3561 06:50 Mo Tu We Th Fr Su · WN4042 13:10 Sa · WN1111 18:30 Tu We · WN3562 20:15 Mo Th Fr Su

History

operated legs · board outcomes
11-14WN4042dep +50 → arr+14
11-13WN3561dep +10 → arr−31
11-12AA9928dep +46 → arr+40
11-12WN3561dep +8 → arr−29
11-12WN3562dep +28 → arr−1
11-11WN1111dep +6 → arr−22
11-11WN3561dep +11 → arr−21
11-10WN1111dep +6 → arr−29
11-10WN3561departed+18
11-09WN3561dep +18 → arr−17
11-09WN3562dep +44 → arr+19
11-08WN3561dep +10 → arr−28
11-08WN3562dep +108 → arr+85

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 +15 min busy 🌫 overcast · NW 9 kt Full PIT delay board →
STLSt Louis +0 min smooth 🌤 few clouds · N 0 kt Full STL delay board →

Weather lens

Conditions are tightest at PIT and STL: a 41% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +15 min. Both figures come from the two airports' delay records in similar weather. 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 06:50 and evening departures around 18:30 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.