WN4055 · SWA4055

SWA4055 over the last 30 days

As of 2026-10-30

SWA4055 is operated by Southwest Airlines on the route St. Louis Lambert International Airport (STL/KSTL) → Dallas Love Field (DAL/KDAL). It usually takes off around 10:21 UTC (05:21 local time, STL). It usually lands around 11:37 UTC (06:37 local time, DAL). Most frequent aircraft type: BOEING 737 MAX 8 (B38M).

Days with an observed flight (last 30 days)

15/30

Days of the week with an observed flight

Mon, Thu, Fri, Sun

Typical take-off

10:21 UTC · 05:21 local time (STL)

Typical landing

11:37 UTC · 06:37 local time (DAL)

Typical time airborne

78 min

Median departure deviation from the usual time on this route

+3 min

Departures within 15 minutes of the usual time

74 %

Departures measured

127

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: 10
• BOEING 737-800 (B738) — Number of flights: 10

Aircraft in the last 7 days

• N8514F · BOEING 737-800 2026-10-30
• N8825Q · BOEING 737 MAX 8 2026-10-29
• N8565Z · BOEING 737-800 2026-10-28
• N8985Q · BOEING 737 MAX 8 2026-10-27
• N8669B · BOEING 737-800 2026-10-26

Related flights on this route

• All flights KSTL – KDAL