WN3140 · SWA3140

SWA3140 over the last 30 days

As of 2026-10-26

SWA3140 is operated by Southwest Airlines on the route Denver International Airport (DEN/KDEN) → St. Louis Lambert International Airport (STL/KSTL). It usually takes off around 13:22 UTC (07:22 local time, DEN). It usually lands around 15:00 UTC (10:00 local time, STL). Most frequent aircraft type: BOEING 737-700 (B737).

Days with an observed flight (last 30 days)

18/30

Days of the week with an observed flight

Mon, Thu, Fri

Typical take-off

13:22 UTC · 07:22 local time (DEN)

Typical landing

15:00 UTC · 10:00 local time (STL)

Typical time airborne

96 min

Median departure deviation from the usual time on this route

+2 min

Departures within 15 minutes of the usual time

73 %

Departures measured

134

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: 12
• BOEING 737-800 (B738) — Number of flights: 4
• BOEING 737 MAX 8 (B38M) — Number of flights: 3

Aircraft in the last 7 days

• N908WN · BOEING 737-700 2026-10-26
• N8809L · BOEING 737 MAX 8 2026-10-25
• N957WN · BOEING 737-700 2026-10-23
• N435WN · BOEING 737-700 2026-10-22

Related flights on this route

• All flights KDEN – KSTL