WN399 · SWA399

SWA399 over the last 30 days

As of 2026-10-30

SWA399 is operated by Southwest Airlines on the route Baltimore/Washington International Thurgood Marshall Airport (BWI/KBWI) → Phoenix Sky Harbor International Airport (PHX/KPHX). It usually takes off around 20:42 UTC (16:42 local time, BWI). It usually lands around 01:09 UTC (18:09 local time, PHX). Most frequent aircraft type: BOEING 737-700 (B737).

Days with an observed flight (last 30 days)

29/30

Days of the week with an observed flight

Sun

Typical take-off

20:42 UTC · 16:42 local time (BWI)

Typical landing

01:09 UTC · 18:09 local time (PHX)

Typical time airborne

267 min

Median departure deviation from the usual time on this route

+1 min

Departures within 15 minutes of the usual time

75 %

Departures measured

64

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: 31
• BOEING 737 MAX 8 (B38M) — Number of flights: 14
• BOEING 737-800 (B738) — Number of flights: 14

Aircraft in the last 7 days

• N243WN · BOEING 737-700 2026-10-30
• N7746C · BOEING 737-700 2026-10-29
• N8528Q · BOEING 737-800 2026-10-28
• N8663A · BOEING 737-800 2026-10-27
• N8536Z · BOEING 737-800 2026-10-26
• N299WN · BOEING 737-700 2026-10-26

Related flights on this route

• All flights KBWI – KPHX