WN4048 · SWA4048

SWA4048 over the last 30 days

As of 2026-10-29

SWA4048 is operated by Southwest Airlines on the route St. Louis Lambert International Airport (STL/KSTL) → Baltimore/Washington International Thurgood Marshall Airport (BWI/KBWI). It usually takes off around 01:54 or 23:33 UTC (20:54 or 18:33 local time, STL). It usually lands around 01:39 UTC (21:39 local time, BWI). Most frequent aircraft type: BOEING 737-700 (B737).

Days with an observed flight (last 30 days)

11/30

Days of the week with an observed flight

Tue, Wed, Sun

Typical take-off

01:54 UTC · 20:54 local time (STL) / 23:33 UTC · 18:33 local time (STL)

Typical landing

01:39 UTC · 21:39 local time (BWI)

Typical time airborne

98 min

Median departure deviation from the usual time on this route

+2 min

Departures within 15 minutes of the usual time

80 %

Departures measured

83

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: 7
• BOEING 737-800 (B738) — Number of flights: 3
• BOEING 737 MAX 8 (B38M) — Number of flights: 2

Aircraft in the last 7 days

• N297WN · BOEING 737-700 2026-10-29
• N7843A · BOEING 737-700 2026-10-27
• N8571Z · BOEING 737-800 2026-10-26

Related flights on this route

• All flights KSTL – KBWI