WN1643 · SWA1643

SWA1643 over the last 30 days

As of 2026-10-26

SWA1643 is operated by Southwest Airlines on the route Baltimore/Washington International Thurgood Marshall Airport (BWI/KBWI) → Chicago Midway International Airport (MDW/KMDW). It usually takes off around 23:33 UTC (19:33 local time, BWI). It usually lands around 01:04 UTC (20:04 local time, MDW). Most frequent aircraft type: BOEING 737 MAX 8 (B38M).

Days with an observed flight (last 30 days)

25/30

Days of the week with an observed flight

Mon, Thu, Fri

Typical take-off

23:33 UTC · 19:33 local time (BWI)

Typical landing

01:04 UTC · 20:04 local time (MDW)

Typical time airborne

93 min

Median departure deviation from the usual time on this route

+3 min

Departures within 15 minutes of the usual time

71 %

Departures measured

129

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: 17
• BOEING 737-700 (B737) — Number of flights: 17
• BOEING 737-800 (B738) — Number of flights: 7

Aircraft in the last 7 days

• N8861Q · BOEING 737 MAX 8 2026-10-26
• N441WN · BOEING 737-700 2026-10-25
• N8858K · BOEING 737 MAX 8 2026-10-23
• N8628A · BOEING 737-800 2026-10-22
• N8884Q · BOEING 737 MAX 8 2026-10-21
• N8807L · BOEING 737 MAX 8 2026-10-20

Related flights on this route

• All flights KBWI – KMDW