Southwest AirlinesWN72% on time
Flights WN1096 06:35 Mo Tu We Th Fr Su · WN1097 varies daily · WN1098 13:40 Tu We Sa · WN1404 17:15 Mo Th Fr
live
Direct flights from Baltimore (BWI) to St Louis (STL): 7 nonstop departures observed each week across 1 airline. 72% of the last 25 operated flights arrived within 15 minutes of schedule. The median arrival is on schedule. No cancellations were recorded across the 25 tracked flights. The nonstop covers 1,184 km, an estimated 2 hours 1 minutes in the air. Measured by Pro Flight Search from live flight boards at Baltimore and St Louis. Updated 11 September 2026 at 00:48 UTC.
BWI
Baltimore
busy · +22
STL
St Louis
smooth · +0
1,184 km · ~2h 01m est.
Runs mixed · 1 airline · 7x weekly · nonstop
72% on time
of the last 25 operated BWI → STL flights arrived within 15 minutes
Median arrival delay is +0 min. 0 of 25 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+0 minacross the last 25 operated legs
Flight time~2h 01mestimated from route distance
Weekly departures7x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 25
The week
scheduled departures · origin local time06121824
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 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
Current conditions put the pressure at STL: 41% 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 →
next sweep in 120s
How the Baltimore to St Louis route actually runs
Pro Flight Search records official board updates for nonstop BWI 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 — Baltimore (BWI) to St Louis (STL) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/BWI-STL
BWI to STL questions
Is BWI–STL running on time right now?
Smooth skies ahead. The departure side at BWI is the weaker end, route health score 85/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on BWI–STL?
Operators schedule morning departures around 06:35 and evening departures around 17:15 from BWI. 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 BWI to STL?
Great-circle distance is 1,184 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 114–131 min gate-to-gate on this route.
How often does BWI–STL fly?
Southwest Airlines runs the route with about 27 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.
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