UAL8172

Flight

Status

Completed

Arrival confirmed via

ADS-B (ground reading)

Departure

George Bush Intercontinental Houston Airport (IAH) — Houston, United States

Departed

2026-09-22 01:27 UTC

Arrival

Washington Dulles International Airport (IAD) — Washington, DC, United States

Distance flown

1994 km

Straight-line distance

1913 km

Approach distance

93 km

Registration

Type

Boeing 737-900

Seats

179 total (117 Economy, 42 Economy Plus, 20 First)

Max altitude

37,025 ft

Max ground speed

520 kt

Tracked

2h 32m · 1,991 km

Altitude (ft, max 37,025)

Ground speed (kt, max 520)

Altitude (ft, max 37,025)

Ground speed (kt, max 520)

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.

United Airlines (UAL)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-09-22 01:27 UTC	UAL8172	IAH → IAD Houston → Washington, DC	N34455	Boeing 737-900	Completed	1994 km
2026-09-04 04:02 UTC	UAL8172	PHX → SFO Phoenix → San Francisco	N67501	Boeing 737 MAX 9	Completed	1320 km
2026-08-31 15:09 UTC	UAL8172	LAX → SFO Los Angeles → San Francisco	N17331	Boeing 737 MAX 8	Completed	642 km
2026-08-28 16:17 UTC	UAL8172	LAX → SFO Los Angeles → San Francisco	N37507	Boeing 737 MAX 9	Completed	602 km
2026-08-25 01:43 UTC	UAL8172	SFO → LAX San Francisco → Los Angeles	N68805	Boeing 737-900	Completed	665 km
2026-08-18 14:57 UTC	UAL8172	LAX → SFO Los Angeles → San Francisco	N17443	Boeing 737 MAX 9	Completed	2693 km
2026-08-17 01:50 UTC	UAL8172	DEN → PHX Denver → Phoenix	N66831	Boeing 737-900	Completed	1348 km