WN1156 BuffaloBUF · 11:25 BaltimoreBWI · 12:40
WN1156 by Southwest Airlines flies from Buffalo (BUF) to Baltimore (BWI) for the Mon, Sep 21 departure.
arrived at BWI · 14 min early
⚖ WN1156 typically leaves +15 and lands −9. The air wins minutes back.Where the minutes go
last 7 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operationmedian arrival −9 min · 0 cancelled · 15 operations tracked
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by BUF (Buffalo), currently flying MVFR (marginal visual). For this route and airline, 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 →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Buffalo to Baltimore flights today
same route · Southwest AirlinesIf WN1156 is cancelled, these are the other Southwest Airlines nonstop flights from Buffalo to Baltimore on the same day, with scheduled departure times in BUF local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN1156 actually runs
Pro Flight Search has tracked every published board update for WN1156 across the BUF and BWI boards: schedule changes, gate pushes and actual clocks. Usually lands ~8 min early. Based on 14 confirmed landings · 11/14 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how WN1156 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N8947Q, N8607M, N8553W, N8994Q.
Board clocks recorded as BUF and BWI published them.
Planning around WN1156? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — WN1156 Buffalo to Baltimore on-time performance, measured from the BUF and BWI airport boards.
https://proflightsearch.com/flight/WN1156
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