WN2121 · SWA2121

SWA2121 over the last 30 days

As of 2026-10-27

SWA2121 is operated by Southwest Airlines on the route William P. Hobby Airport (HOU/KHOU) → San Antonio International Airport (SAT/KSAT). It usually takes off around 20:59 UTC (15:59 local time, HOU). It usually lands around 21:35 UTC (16:35 local time, SAT). Most frequent aircraft type: BOEING 737-700 (B737).

Days with an observed flight (last 30 days)

27/30

Days of the week with an observed flight

Mon, Thu, Fri, Sun

Typical take-off

20:59 UTC · 15:59 local time (HOU)

Typical landing

21:35 UTC · 16:35 local time (SAT)

Typical time airborne

36 min

Median departure deviation from the usual time on this route

+39 min

Departures within 15 minutes of the usual time

38 %

Departures measured

13

Our measurement against the usual departure time of the route, from our own observations over the last 25 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: 21
• BOEING 737 MAX 8 (B38M) — Number of flights: 10
• BOEING 737-800 (B738) — Number of flights: 6

Aircraft in the last 7 days

• N926WN · BOEING 737-700 2026-10-27
• N8681M · BOEING 737-800 2026-10-26
• N7729A · BOEING 737-700 2026-10-25
• N8993Q · BOEING 737 MAX 8 2026-10-24
• N8843S · BOEING 737 MAX 8 2026-10-23
• N8940Q · BOEING 737 MAX 8 2026-10-22

Related flights on this route

• All flights KHOU – KSAT