WN3814Southwest Airlines · STL → BWI
updated 7h ago
Route confirmed Southwest Airlines

WN3814 St LouisSTL BaltimoreBWI

WN3814 by Southwest Airlines flies from St Louis (STL) to Baltimore (BWI).

Right nowNext departure today Operates daily
08:45

scheduled from STL

The route today

live boards
STLSt LouisOn-time likelySTL delay board →
BWIBaltimoreOn-time likelyBWI delay board →
STL→BWIevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
39%Chance of 15+ min delay
0.7%Chance of cancellation
+8 minTypical airport delay in this weather

Conditions at STL and BWI are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

Tomorrow at STL

Forecast

Sun 8 Nov, local date

High15°Clikely 13°C to 17°C
Low3°Clikely 1°C to 5°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at BWI

Forecast

Sun 8 Nov, local date

High15°Clikely 14°C to 17°C
Low6°Clikely 4°C to 8°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other St Louis to Baltimore flights today

same route · Southwest Airlines
WN1057departs 05:30
WN4284departs 05:40
WN2686departs 06:10
WN4124departs 06:35
WN4046departs 06:45
WN2687departs 10:05

If WN3814 is cancelled, these are the other Southwest Airlines nonstop flights from St Louis to Baltimore on the same day, with scheduled departure times in STL local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How WN3814 actually runs

Pro Flight Search has tracked every published board update for WN3814 across the STL and BWI boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at STL and BWI.

The verdict above is that record speaking, so it reflects how WN3814 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around WN3814? 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: WN3814 St Louis to Baltimore on-time performance, measured from the STL and BWI airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3814
How we measure this →