WN1231 San FranciscoSFO · 14:05 BozemanBZN · 15:45
WN1231 by Southwest Airlines flies from San Francisco (SFO) to Bozeman (BZN) for the Sat, Sep 5 departure.
Same number through SFO → LAS → BZN
departs SFO · on schedule
board checked 5m ago · checking again in 45s
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SFO and BZN are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. 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 San Francisco to Bozeman flights today
same route · Southwest AirlinesIf WN1231 is cancelled, these are the other Southwest Airlines nonstop flights from San Francisco to Bozeman on the same day, with scheduled departure times in SFO local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN1231 actually runs
Pro Flight Search has tracked every published board update for WN1231 across the SFO and BZN boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at SFO and BZN.
The verdict above is that record speaking, so it reflects how WN1231 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around WN1231? 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 — WN1231 San Francisco to Bozeman on-time performance, measured from the SFO and BZN airport boards.
https://proflightsearch.com/flight/WN1231
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