WN3958Southwest Airlines · SMF → PDX
live · 58m ago
Route confirmed Southwest Airlines

WN3958 SacramentoSMF · 21:55 PortlandPDX · 23:30

WN3958 by Southwest Airlines flies from Sacramento (SMF) to Portland (PDX).

Right nowNext departure today Operates daily
21:55

scheduled from SMF

Typical gate push+67 minmedian posted departure
Typical arrival+40 minmedian over 5 operations
Wins back in air~27 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 5 operations · gate push → arrival
0+33+65+98 min
10-23
+98 gate · +94 arrival
10-22
+80 gate · +58 arrival
10-19
+36 gate · +7 arrival
10-16
+67 gate · +40 arrival
10-15
+46 gate · +18 arrival

The 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 operation

median arrival +40 min · 0 cancelled · 5 operations tracked

The route today

live boards
SMFSacramentoOn-time likelySMF delay board →
PDXPortlandHigh riskPDX delay board →
SMF→PDXevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
40%Chance of 15+ min delay
0.9%Chance of cancellation
+8 minAvg hub delay right now

Conditions at SMF and PDX 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 →

Tomorrow on this route

Forecast

Sacramento to Portland with Southwest Airlines · Thu 29 Oct, local date

Outlook: about usual
Chance a departure leaves 60+ min late
6.8%1.4× usual

Forecast weather: 26% chance of fog and 88% chance of rain at Portland

No cancellation outlook here: this airport's board does not publish cancellations reliably.

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 3 departures a day on this route with this airline. · 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 Sacramento to Portland flights today

same route · Southwest Airlines
WN1200departs 05:45
WN3314departs 12:25
WN2304departs 13:00
WN3979departs 13:00
WN1095departs 13:30
WN3957departs 19:00

If WN3958 is cancelled, these are the other Southwest Airlines nonstop flights from Sacramento to Portland on the same day, with scheduled departure times in SMF local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN3958 actually runs

Pro Flight Search has tracked every published board update for WN3958 across the SMF and PDX boards: schedule changes, gate pushes and actual clocks. Usually departs ~67 min late. Based on 5 confirmed departures · 0/5 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN3958 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
10-23SMF 21:55 23:33 (+98)PDX 23:30 01:04 (+94)
10-22SMF 21:55 23:15 (+80)PDX 23:30 00:28 (+58)
10-19SMF 21:55 22:31 (+36)PDX 23:30 23:37 (+7)
10-16SMF 21:55 23:02 (+67)PDX 23:30 00:10 (+40)
10-15SMF 21:55 22:41 (+46)PDX 23:30 23:48 (+18)

Aircraft

Recent tails: N8876Q, N8894Q, N8826Q, N8944Q.

Board clocks recorded as SMF and PDX published them.

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 — WN3958 Sacramento to Portland on-time performance, measured from the SMF and PDX airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3958
How we measure this →