WN3881 · SWA3881

SWA3881 over the last 30 days

As of 2026-10-28

SWA3881 is operated by Southwest Airlines on the route Denver International Airport (DEN/KDEN) → San Antonio International Airport (SAT/KSAT). It usually takes off around 17:12 UTC (11:12 local time, DEN). It usually lands around 18:54 UTC (13:54 local time, SAT). Most frequent aircraft type: BOEING 737-800 (B738).

Days with an observed flight (last 30 days)

16/30

Days of the week with an observed flight

Tue, Wed

Typical take-off

17:12 UTC · 11:12 local time (DEN)

Typical landing

18:54 UTC · 13:54 local time (SAT)

Typical time airborne

102 min

Median departure deviation from the usual time on this route

+1 min

Departures within 15 minutes of the usual time

83 %

Departures measured

48

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 737-800 (B738) — Number of flights: 8
• BOEING 737 MAX 8 (B38M) — Number of flights: 6
• BOEING 737-700 (B737) — Number of flights: 4

Aircraft in the last 7 days

• N8545V · BOEING 737-800 2026-10-28
• N8803L · BOEING 737 MAX 8 2026-10-27
• N903WN · BOEING 737-700 2026-10-25
• N8564Z · BOEING 737-800 2026-10-24

Related flights on this route

• All flights KDEN – KSAT