WN3631 · SWA3631

SWA3631 over the last 30 days

As of 2026-10-27

SWA3631 is operated by Southwest Airlines on the route San Diego International Airport (SAN/KSAN) → Baltimore/Washington International Thurgood Marshall Airport (BWI/KBWI). It usually takes off around 00:37 UTC (17:37 local time, SAN). It usually lands around 05:04 UTC (01:04 local time, BWI). Most frequent aircraft type: BOEING 737-700 (B737).

Days with an observed flight (last 30 days)

12/30

Days of the week with an observed flight

Mon, Thu, Fri

Typical take-off

00:37 UTC · 17:37 local time (SAN)

Typical landing

05:04 UTC · 01:04 local time (BWI)

Typical time airborne

264 min

Median departure deviation from the usual time on this route

+1 min

Departures within 15 minutes of the usual time

79 %

Departures measured

66

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: 13

Aircraft in the last 7 days

• N7855A · BOEING 737-700 2026-10-27
• N483WN · BOEING 737-700 2026-10-25
• N486WN · BOEING 737-700 2026-10-24
• N928WN · BOEING 737-700 2026-10-23

Related flights on this route

• All flights KSAN – KBWI