SWA4431

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 2283 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

Also flies as

WN4431

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)

Ground speed (kt, max 475)

Altitude (ft, max 29,025)

Ground speed (kt, max 475)

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

Departed	Flight	Route	Reg	Aircraft	Status	Distance
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
2026-09-24 00:59 UTC	SWA4431	BWI → BOS Baltimore → Boston	N259WN	Boeing 737-700	Completed	648 km
2026-09-23 00:06 UTC	SWA4431	BWI → BOS Baltimore → Boston	N566WN	Boeing 737-700	Completed	636 km
2026-09-17 00:34 UTC	SWA4431	BWI → BOS Baltimore → Boston	N481WN	Boeing 737-700	Completed	752 km
2026-09-16 00:18 UTC	SWA4431	BWI → BOS Baltimore → Boston	N908WN	Boeing 737-700	Completed	761 km
2026-09-10 01:10 UTC	SWA4431	BWI → BOS Baltimore → Boston	N920WN	Boeing 737-700	Completed	777 km
2026-09-02 01:13 UTC	SWA4431	BWI → BOS Baltimore → Boston	N7831B	Boeing 737-700	Completed	1048 km
2026-08-27 00:01 UTC	SWA4431	BWI → BOS Baltimore → Boston	N228WN	Boeing 737-700	Completed	739 km
2026-08-25 23:53 UTC	SWA4431	BWI → BOS Baltimore → Boston	N485WN	Boeing 737-700	Completed	726 km
2026-08-19 20:28 UTC	SWA4431	MCO → BOS Orlando → Boston	N7889A	Boeing 737-700	Completed	3832 km
2026-08-18 20:52 UTC	SWA4431	MCO → BOS Orlando → Boston	N7857B	Boeing 737-700	Completed	3775 km
2026-08-13 00:16 UTC	SWA4431	BWI → BOS Baltimore → Boston	N7825A	Boeing 737-700	Completed	~1637 km est. (788 km recorded)
2026-08-12 01:05 UTC	SWA4431	BOS → BOS Boston → Boston	N7855A	Boeing 737-700	Completed	~1 km est. (0 km recorded)
2026-08-12 00:01 UTC	SWA4431	BWI → BOS Baltimore → Boston	N7855A	Boeing 737-700	Completed	1001 km
2026-08-11 23:52 UTC	SWA4431	BWI → BWI Baltimore → Baltimore	N7855A	Boeing 737-700	Completed	~1 km est. (0 km recorded)