STL → BWISt Louis to Baltimore

live

Direct flights from St Louis (STL) to Baltimore (BWI): 14 nonstop departures observed each week across 2 airlines. 86% of the last 21 operated flights arrived within 15 minutes of schedule. The median arrival is 8 minutes early. No cancellations were recorded across the 21 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 St Louis and Baltimore. Updated 16 October 2026 at 15:18 UTC.

Today, STL → BWI

Fri 16 Oct · local times
  1. 06:45 WN4046Southwest Left 07:01 +16 Landed 09:36 −9
  2. 13:00 WN4047Southwest On scheduleT2 ·

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

STL St Louis smooth · +2
BWI Baltimore smooth · +0
1,184 km · ~2h 01m est.
dep bank 05:30–21:0014x weekly
Runs reliable · 2 airlines · 14x weekly · nonstop
86% on time

of the last 21 operated STL → BWI flights arrived within 15 minutes

Median arrival delay is −8 min. 0 of 21 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−8 minacross the last 21 operated legs
Flight time~2h 01mestimated from route distance
Weekly departures14x2 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 21

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Southwest AirlinesSun Country 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 AirlinesWN88% on time

Flights WN1057 05:30 Tu We · WN4284 05:40 Su · WN674 06:00 Sa · WN4046 06:45 Mo Th Fr

Sun Country AirlinesSY

Flights SY3008 17:48 daily

History

operated legs · board outcomes
10-16WN4046dep +16 → arr−9
10-15SY3008dep +44 → arr+48
10-15WN2506dep +32 → arr+14
10-15WN3405dep +13 → arr−8
10-15WN4046dep +8 → arr−22
10-15WN4047dep +33 → arr−6
10-14SY3008dep −2 → arr+3
10-14WN1057dep +3 → arr−27
10-14WN1100dep +13 → arr−3
10-14WN4048dep −3 → arr−32
10-14WN846dep +17 → arr−8
10-13SY3008dep +19 → arr+0
10-13WN1057dep +4 → arr−26
10-13WN1100dep +2 → arr−10
10-13WN4048dep +77 → arr+43
10-12SY3008dep +17 → arr+0
10-12WN2506dep +14 → arr−11
10-12WN3405dep +22 → arr+2
10-12WN4046dep +10 → arr−12
10-12WN4047dep +3 → arr−27
10-11WN1469arrived+23

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 +2 min smooth 🌤 mostly cloudy · NW 12 kt Full STL delay board →
BWIBaltimore +0 min smooth 🌫 overcast · SW 7 kt Full BWI delay board →

Weather lens

Current conditions put the pressure at STL: 39% 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 St Louis to Baltimore route actually runs

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

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

STL to BWI questions

Is STL–BWI running on time right now?

Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on STL–BWI?

Operators schedule morning departures around 05:30 and evening departures around 17:40 from STL. Earlier flights typically land before destination-airport delays accumulate later in the day; check the BWI delay card to confirm conditions when you'd arrive.

How long is the flight from STL to BWI?

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 STL–BWI fly?

2 carriers operate this route, around 34 flights a week between them. Compare carrier days and times in the airline list above.