WN4123 · SWA4123

SWA4123 over the last 30 days

As of 2026-10-27

SWA4123 is operated by Southwest Airlines on the route Long Beach International Airport (LGB/KLGB) → Phoenix Sky Harbor International Airport (PHX/KPHX). It usually takes off around 23:38 UTC (16:38 local time, LGB). It usually lands around 00:37 UTC (17:37 local time, PHX). Most frequent aircraft type: BOEING 737-700 (B737).

Days with an observed flight (last 30 days)

10/30

Days of the week with an observed flight

Tue, Wed

Typical take-off

23:38 UTC · 16:38 local time (LGB)

Typical landing

00:37 UTC · 17:37 local time (PHX)

Typical time airborne

57 min

Median departure deviation from the usual time on this route

+3 min

Departures within 15 minutes of the usual time

66 %

Departures measured

76

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 737-700 (B737) — Number of flights: 7
• BOEING 737 MAX 8 (B38M) — Number of flights: 2
• BOEING 737-800 (B738) — Number of flights: 2

Aircraft in the last 7 days

• N7889A · BOEING 737-700 2026-10-27
• N8509U · BOEING 737-800 2026-10-24
• N229WN · BOEING 737-700 2026-10-22

Related flights on this route

• All flights KLGB – KPHX