WN3555 · SWA3555

SWA3555 over the last 30 days

As of 2026-10-26

SWA3555 is operated by Southwest Airlines on the route Chicago Midway International Airport (MDW/KMDW) → St. Louis Lambert International Airport (STL/KSTL). It usually takes off around 13:16 UTC (08:16 local time, MDW). It usually lands around 13:57 UTC (08:57 local time, STL). Most frequent aircraft type: BOEING 737 MAX 8 (B38M).

Days with an observed flight (last 30 days)

23/30

Days of the week with an observed flight

Mon, Thu, Fri

Typical take-off

13:16 UTC · 08:16 local time (MDW)

Typical landing

13:57 UTC · 08:57 local time (STL)

Typical time airborne

43 min

Median departure delay on this route

+4 min

Departures within 15 minutes of schedule

73 %

Departures measured

126

Our measurement against the airport's published schedule 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: 19
• BOEING 737-700 (B737) — Number of flights: 4

Aircraft in the last 7 days

• N8777Q · BOEING 737 MAX 8 2026-10-26
• N225WN · BOEING 737-700 2026-10-25
• N8710M · BOEING 737 MAX 8 2026-10-23
• N8781Q · BOEING 737 MAX 8 2026-10-22
• N1806U · BOEING 737 MAX 8 2026-10-21
• N8743K · BOEING 737 MAX 8 2026-10-20

Related flights on this route

• All flights KMDW – KSTL