WN3721 · SWA3721

SWA3721 over the last 30 days

As of 2026-10-27

SWA3721 is operated by Southwest Airlines on the route San Antonio International Airport (SAT/KSAT) → Harry Reid International Airport (LAS/KLAS). It usually takes off around 02:09 UTC (21:09 local time, SAT). It usually lands around 04:31 UTC (21:31 local time, LAS). Most frequent aircraft type: BOEING 737 MAX 8 (B38M).

Days with an observed flight (last 30 days)

26/30

Days of the week with an observed flight

Mon, Thu, Fri

Typical take-off

02:09 UTC · 21:09 local time (SAT)

Typical landing

04:31 UTC · 21:31 local time (LAS)

Typical time airborne

144 min

Median departure deviation from the usual time on this route

+1 min

Departures within 15 minutes of the usual time

93 %

Departures measured

14

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: 29
• BOEING 737-800 (B738) — Number of flights: 13

Aircraft in the last 7 days

• N8301J · BOEING 737-800 2026-10-27
• N9000D · BOEING 737 MAX 8 2026-10-26
• N9022W · BOEING 737 MAX 8 2026-10-25
• N8578Q · BOEING 737-800 2026-10-24
• N8712L · BOEING 737 MAX 8 2026-10-23
• N8850Q · BOEING 737 MAX 8 2026-10-22

Related flights on this route

• All flights KSAT – KLAS