WN1521

DCA → STL · Boeing 737 MAX 8 · Southwest Airlines

For travellers

Departure · Washington (DCA)

Terminal 1 · Gate A9

Scheduled 02 Oct 12:00 · Departed 02 Oct 12:57 · +57 min

Board status: InAir

Airborne since 02 Oct 13:18 (ADS-B)

Board data from mwaa, updated 435 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (ground reading)

Departure

Ronald Reagan Washington National Airport (DCA) — Washington, United States

Scheduled departure

2026-10-02 16:00 UTC

Departed

2026-10-02 17:18 UTC

Arrival

St Louis Lambert International Airport (STL) — St Louis, United States

Distance flown

1248 km

Straight-line distance

1154 km

Approach distance

70 km

Aircraft

Registration

N9001F

Type

Boeing 737 MAX 8

Seats

175 total (175 Economy) (typical for type, not this tail)

CO2 (EMEP est., total)

27.1 t (155 kg/pax Economy)

Altitude & speed

Max altitude

34,025 ft

Max ground speed

426 kt

Tracked

3h 23m · 1,239 km

Altitude (ft, max 34,025)

Ground speed (kt, max 426)

Altitude (ft, max 34,025)

Ground speed (kt, max 426)

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
2026-10-02 17:18 UTC	SWA1521	DCA → STL Washington → St Louis	N9001F	Boeing 737 MAX 8	Completed	1248 km
2026-10-01 16:15 UTC	SWA1521	DCA → STL Washington → St Louis	N8680C	Boeing 737-800	Completed	1261 km
2026-09-30 19:13 UTC	SWA1521	MSY → AUS New Orleans → Austin	N499WN	Boeing 737-700	Completed (landing confirmed by airport data)	813 km

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