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WN4431

BWI → BOS · Boeing 737-700 · Southwest Airlines

For travellers

Departure · Baltimore (BWI)

Gate A15
Scheduled 30 Sep 19:45 · Departed 30 Sep 19:51 · +6 min
Board status: Departed
Airborne since 30 Sep 20:00 (ADS-B)

Arrival · Boston (BOS)

Terminal B · Gate B35 · Baggage belt 8
Scheduled 30 Sep 21:30 · Landed 30 Sep 21:10 · early
Board status: Arrived
Landed 30 Sep 21:10 (airport data)

Board data from bos, bwi, updated 2610 min ago; times local to each airport.

Flight

Status
Completed (landing confirmed by airport data)
Arrival confirmed via
Airport data (confirmed)
Departure
Baltimore/Washington International Thurgood Marshall Airport (BWI) — Baltimore, United States
Scheduled departure
2026-09-30 23:45 UTC
Departed
2026-10-01 00:00 UTC
Arrival
General Edward Lawrence Logan International Airport (BOS) — Boston, United States
Scheduled arrival
2026-10-01 01:30 UTC
Estimated arrival
2026-10-01 01:11 UTC
Distance flown
712 km
Straight-line distance
594 km

Aircraft

Registration
N436WN
Type
Boeing 737-700
Seats
143 total (143 Economy)
CO2 (EMEP est., total)
14.2 t (99 kg/pax Economy)

Altitude & speed

Max altitude
29,025 ft
Max ground speed
475 kt
Tracked
1h 7m · 710 km
Altitude (ft, max 29,025)
015,67431,3470m30m1h 0m
Ground speed (kt, max 475)
02565130m30m1h 0m
Altitude (ft, max 29,025)
015,67431,3470m1h 0m
Ground speed (kt, max 475)
02565130m1h 0m

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

Southwest Airlines (SWA)

Latest flights

DepartedFlightRouteRegAircraftStatusDistance
2026-10-01 00:00 UTC SWA4431 BWI → BOS
Baltimore → Boston
 N436WN Boeing 737-700 Completed (landing confirmed by airport data) 712 km
2026-09-30 01:38 UTC SWA4431 BWI → BOS
Baltimore → Boston
 N287WN Boeing 737-700 Completed 764 km

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