BWI → STLBaltimore to St Louis

live

Direct flights from Baltimore (BWI) to St Louis (STL): 27 nonstop departures observed each week across 1 airline. 89% of the last 27 tracked flights arrived within 15 minutes of schedule. The median arrival is 10 minutes early. No cancellations were recorded across the 29 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 30 October 2026 at 14:33 UTC.

Today, BWI → STL

Fri 30 Oct · local times
  1. 06:35 WN1169Southwest Left 06:43 +8 STL est. 07:32In the air · sched 07:45
  2. 09:15 WN3589Southwest Left 09:28 +13 STL est. 10:06In the air · sched 10:30

Checked BWI board 10:33 · STL board 06:18

BWI Baltimore smooth · +10
STL St Louis smooth · +0
1,184 km · ~2h 01m est.
dep bank 06:35–22:0027x weekly
Runs reliable · 1 airline · 27x weekly · nonstop
89% on time

of the last 27 tracked BWI → STL flights arrived within 15 minutes

Median arrival delay is −10 min. 0 of 29 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−10 minacross the last 27 arrivals
Flight time~2h 01mestimated from route distance
Weekly departures27x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 29

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 AirlinesWN89% on time

Flights WN1169 varies daily · WN3589 09:15 Mo Th Fr · WN1895 10:20 Tu We · WN2112 12:45 Su

History

operated legs · board outcomes
10-30WN1169departed+8
10-30WN3589departed+13
10-29WN1169dep +7 → arr−15
10-29WN1171dep +35 → arr+5
10-29WN1172dep +63 → arr+30
10-29WN3589dep +8 → arr−21
10-28WN1169dep +9 → arr−7
10-28WN1172dep +8 → arr−17
10-28WN1357dep +13 → arr−8
10-28WN1895dep +14 → arr−14
10-27WN1169dep +13 → arr−8
10-27WN1172dep +15 → arr−16
10-27WN1357dep +14 → arr−13
10-27WN1895dep +48 → arr+21
10-26WN1169dep +7 → arr−21
10-26WN1171dep +18 → arr−10
10-26WN1172dep +16 → arr−21
10-26WN3589dep +34 → arr+3
10-25WN1169dep +34 → arr+4
10-25WN1171dep +39 → arr+12
10-25WN1172dep +101 → arr+66
10-25WN2112dep +6 → arr−23
10-24WN1071dep +17 → arr−10
10-24WN1169dep +16 → arr−9
10-24WN1171dep +10 → arr−24
10-23WN1169dep +18 → arr−10
10-23WN1171dep +19 → arr−14
10-23WN1172dep +54 → arr+15
10-23WN3589dep +35 → arr+4

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
BWIBaltimore +10 min smooth 🌤 few clouds · W 7 kt Full BWI delay board →
STLSt Louis +0 min smooth 🌤 mostly cloudy · E 8 kt Full STL delay board →

Weather lens

Conditions are tightest at STL: a 40% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +8 min. Both figures come from the two airports' delay records in similar weather. See live delays → · Weather risk by airport →

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

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 93/100. 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 09:15 and evening departures around 18:05 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.