WN3957 · SWA3957

SWA3957 over the last 30 days

As of 2026-10-29

SWA3957 is operated by Southwest Airlines on the route Sacramento International Airport (SMF/KSMF) → Portland International Airport (PDX/KPDX). It usually takes off around 03:03 UTC (20:03 local time, SMF). It usually lands around 04:10 UTC (21:10 local time, PDX). Most frequent aircraft type: BOEING 737 MAX 8 (B38M).

Days with an observed flight (last 30 days)

24/30

Days of the week with an observed flight

Mon, Tue, Wed, Thu, Fri, Sat

Typical take-off

03:03 UTC · 20:03 local time (SMF)

Typical landing

04:10 UTC · 21:10 local time (PDX)

Typical time airborne

68 min

Median departure deviation from the usual time on this route

+2 min

Departures within 15 minutes of the usual time

71 %

Departures measured

24

Our measurement against the usual departure time of the route, from our own observations over the last 28 days; the figures cover all flights of this airline on the route.

Aircraft types on this flight (last 30 days)

• BOEING 737 MAX 8 (B38M) — Number of flights: 20
• BOEING 737-700 (B737) — Number of flights: 10
• BOEING 737-800 (B738) — Number of flights: 3

Aircraft in the last 7 days

• N458WN · BOEING 737-700 2026-10-29
• N570WN · BOEING 737-700 2026-10-28
• N8756S · BOEING 737 MAX 8 2026-10-27
• N8843S · BOEING 737 MAX 8 2026-10-25
• N8926Q · BOEING 737 MAX 8 2026-10-24
• N8794Q · BOEING 737 MAX 8 2026-10-23

Related flights on this route

• All flights KSMF – KPDX