WN4520 · SWA4520

SWA4520 over the last 30 days

As of 2026-10-27

SWA4520 is operated by Southwest Airlines on the route Baltimore/Washington International Thurgood Marshall Airport (BWI/KBWI) → Miami International Airport (MIA/KMIA). It usually takes off around 00:32 or 22:20 UTC (20:32 or 18:20 local time, BWI). It usually lands around 00:32 or 02:33 UTC (20:32 or 22:33 local time, MIA). Most frequent aircraft type: BOEING 737 MAX 8 (B38M).

Days with an observed flight (last 30 days)

12/30

Days of the week with an observed flight

Mon, Thu, Fri, Sat

Typical take-off

00:32 UTC · 20:32 local time (BWI) / 22:20 UTC · 18:20 local time (BWI)

Typical landing

00:32 UTC · 20:32 local time (MIA) / 02:33 UTC · 22:33 local time (MIA)

Typical time airborne

129 min

Median departure deviation from the usual time on this route

+1 min

Departures within 15 minutes of the usual time

74 %

Departures measured

31

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: 13
• BOEING 737-800 (B738) — Number of flights: 2

Aircraft in the last 7 days

• N8970Q · BOEING 737 MAX 8 2026-10-27
• N8945Q · BOEING 737 MAX 8 2026-10-24
• N1810U · BOEING 737 MAX 8 2026-10-24
• N8697C · BOEING 737-800 2026-10-23

Related flights on this route

• All flights KBWI – KMIA