WN4315 · SWA4315

SWA4315 over the last 30 days

As of 2026-10-26

SWA4315 is operated by Southwest Airlines on the route St. Louis Lambert International Airport (STL/KSTL) → Phoenix Sky Harbor International Airport (PHX/KPHX). It usually takes off around 21:10 UTC (16:10 local time, STL). It usually lands around 00:05 UTC (17:05 local time, PHX). Most frequent aircraft type: BOEING 737 MAX 8 (B38M).

Days with an observed flight (last 30 days)

15/30

Days of the week with an observed flight

Sat

Typical take-off

21:10 UTC · 16:10 local time (STL)

Typical landing

00:05 UTC · 17:05 local time (PHX)

Typical time airborne

169 min

Median departure deviation from the usual time on this route

+2 min

Departures within 15 minutes of the usual time

77 %

Departures measured

90

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: 11
• BOEING 737-700 (B737) — Number of flights: 4

Aircraft in the last 7 days

• N931WN · BOEING 737-700 2026-10-26
• N8768Q · BOEING 737 MAX 8 2026-10-24
• N8921Q · BOEING 737 MAX 8 2026-10-22
• N8725L · BOEING 737 MAX 8 2026-10-21

Related flights on this route

• All flights KSTL – KPHX