WN3959 · SWA3959

SWA3959 over the last 30 days

As of 2026-10-26

SWA3959 is operated by Southwest Airlines on the route Sacramento International Airport (SMF/KSMF) → Phoenix Sky Harbor International Airport (PHX/KPHX). It usually takes off around 12:28 UTC (05:28 local time, SMF). It usually lands around 13:57 UTC (06:57 local time, PHX). Most frequent aircraft type: BOEING 737 MAX 8 (B38M).

Days with an observed flight (last 30 days)

29/30

Days of the week with an observed flight

Mon, Tue, Wed, Thu, Fri, Sat, Sun

Typical take-off

12:28 UTC · 05:28 local time (SMF)

Typical landing

13:57 UTC · 06:57 local time (PHX)

Typical time airborne

87 min

Median departure deviation from the usual time on this route

+3 min

Departures within 15 minutes of the usual time

71 %

Departures measured

146

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 737-800 (B738) — Number of flights: 8
• BOEING 737-700 (B737) — Number of flights: 1

Aircraft in the last 7 days

• N8965Q · BOEING 737 MAX 8 2026-10-26
• N8942L · BOEING 737 MAX 8 2026-10-25
• N8805L · BOEING 737 MAX 8 2026-10-24
• N8960L · BOEING 737 MAX 8 2026-10-23
• N8975K · BOEING 737 MAX 8 2026-10-22
• N8503A · BOEING 737-800 2026-10-21

Related flights on this route

• All flights KSMF – KPHX