WN3971 PortlandPDX · 11:15 SacramentoSMF · 12:45
WN3971 by Southwest Airlines flies from Portland (PDX) to Sacramento (SMF) for the Sun, Oct 25 departure.
departs PDX · on schedule
board checked 22m ago · checking again in 45s
Where the minutes go
last 3 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at PDX and SMF 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 Portland to Sacramento flights today
same route · Southwest AirlinesIf WN3971 is cancelled, these are the other Southwest Airlines nonstop flights from Portland to Sacramento on the same day, with scheduled departure times in PDX local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN3971 actually runs
Pro Flight Search has tracked every published board update for WN3971 across the PDX and SMF boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: left a little late (~18 min) but landed a little late (~8 min). Not enough to call it.
The verdict above is that record speaking, so it reflects how WN3971 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: N8932Q, N8816Q.
Board clocks recorded as PDX and SMF published them.
Planning around WN3971? 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 — WN3971 Portland to Sacramento on-time performance, measured from the PDX and SMF airport boards.
https://proflightsearch.com/flight/WN3971
.