WN4521 · SWA4521

Schedule for today and the next days

• 2026-10-29 16:40 · Baltimore/Washington International Thurgood Marshall Airport (BWI/KBWI) → Richmond International Airport (RIC/KRIC)

Scheduled times from airport boards, in local time. Actual departures and arrivals are measured by the map.flights network.

SWA4521 over the last 30 days

As of 2026-10-26

SWA4521 is operated by Southwest Airlines on the route Baltimore/Washington International Thurgood Marshall Airport (BWI/KBWI) → Richmond International Airport (RIC/KRIC). It usually takes off around 21:13 UTC (17:13 local time, BWI). It usually lands around 21:40 UTC (17:40 local time, RIC). Most frequent aircraft type: BOEING 737-800 (B738).

Days with an observed flight (last 30 days)

12/30

Days of the week with an observed flight

Mon, Thu, Fri

Typical take-off

21:13 UTC · 17:13 local time (BWI)

Typical landing

21:40 UTC · 17:40 local time (RIC)

Typical time airborne

26 min

Median departure deviation from the usual time on this route

+6 min

Departures within 15 minutes of the usual time

67 %

Departures measured

27

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 737-800 (B738) — Number of flights: 7
• BOEING 737 MAX 8 (B38M) — Number of flights: 4
• BOEING 737-700 (B737) — Number of flights: 1

Aircraft in the last 7 days

• N8606C · BOEING 737-800 2026-10-26
• N8922Q · BOEING 737 MAX 8 2026-10-23
• N8619F · BOEING 737-800 2026-10-22

Related flights on this route

• All flights KBWI – KRIC