SWA721

Flight

Status

Completed

Arrival confirmed via

ADS-B (ground reading)

Departure

Phoenix Sky Harbor International Airport (PHX) — Phoenix, United States

Departed

2026-09-26 19:26 UTC (first seen)

Arrival

Denver International Airport (DEN) — Denver, United States

Distance flown

1589 km

Straight-line distance

968 km

Approach distance

38 km

Registration

Type

Boeing 737-700

Seats

143 total (143 Economy)

Max altitude

39,025 ft

Max ground speed

527 kt

Tracked

3h 11m · 1,583 km

Altitude (ft, max 39,025)

Ground speed (kt, max 527)

Altitude (ft, max 39,025)

Ground speed (kt, max 527)

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