SWA721

Flight

Status

Completed

Arrival confirmed via

ADS-B (callsign change)

Departure

Denver International Airport (DEN) — Denver, United States

Departed

2026-09-19 19:51 UTC (first seen)

Arrival

Denver International Airport (DEN) — Denver, United States

Distance flown

1404 km

Approach distance

32 km

Registration

Type

Boeing 737-700

Seats

143 total (143 Economy)

Max altitude

34,000 ft

Max ground speed

497 kt

Tracked

2h 30m · 1,333 km

Altitude (ft, max 34,000)

Ground speed (kt, max 497)

Altitude (ft, max 34,000)

Ground speed (kt, max 497)

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.

Southwest Airlines (SWA)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-09-26 19:26 UTC	SWA721	PHX → DEN Phoenix → Denver	N221WN	Boeing 737-700	Completed	1589 km
2026-09-19 19:51 UTC	SWA721	DEN → DEN Denver → Denver	N7854B	Boeing 737-700	Completed	1404 km
2026-09-12 19:25 UTC	SWA721	GYM → DEN Guaymas → Denver	N441WN	Boeing 737-700	Completed	1652 km
2026-09-05 19:45 UTC	SWA721	GYM → DEN Guaymas → Denver	N475WN	Boeing 737-700	Completed	1632 km
2026-08-29 19:37 UTC	SWA721	? → DEN ? → Denver	N453WN	Boeing 737-700	Completed	1651 km
2026-08-22 19:21 UTC	SWA721	? → DEN ? → Denver	N229WN	Boeing 737-700	Completed	2244 km
2026-08-15 01:15 UTC	SWA721	BUR → DEN Burbank → Denver	N495WN	Boeing 737-700	Completed	7609 km