UAL3903

For travellers

Departure · Las Vegas (LAS)

Terminal T3 · Gate D59

Scheduled 06:00 · Departed 06:00

Board status: Scheduled

Airborne since 07:06 (ADS-B)

Arrival · Houston (IAH)

Gate C41 · Baggage belt C3

Scheduled 11:07 · Estimated 11:41 · +34 min

Board status: Departed

In the air, ~16m to go (88% of the route flown)

Board data from houston, las, updated 58 min ago; times local to each airport.

Flight

Status

In progress

Departure

McCarran International Airport (LAS) — Las Vegas, United States

Scheduled departure

2026-10-03 13:00 UTC

Departed

2026-10-03 14:06 UTC

Arrival

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

Scheduled arrival

2026-10-03 16:07 UTC

Estimated arrival

2026-10-03 16:41 UTC

Progress

88% · ~16m remaining

Also flies as

UA3903

Distance flown

1761 km

Straight-line distance

1963 km

Aircraft

Registration

N69824

Type

Boeing 737-900

Seats

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

CO2 (EMEP est., total)

50.3 t (267 kg/pax Economy, 384 kg/pax Business)

Altitude & speed

Max altitude

39,025 ft

Max ground speed

502 kt

Tracked

2h 4m · 1,761 km

Note

still in progress - the track so far

Altitude (ft, max 39,025)

Ground speed (kt, max 502)

Altitude (ft, max 39,025)

Ground speed (kt, max 502)

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

United Airlines (UAL)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-03 14:06 UTC	UAL3903	LAS → IAH Las Vegas → Houston	N69824	Boeing 737-900	In progress	~1963 km est.
2026-09-26 13:02 UTC	UAL3903	FCO → IAD Rome → Washington, DC	N644UA	Boeing B767 300ER	Completed	7807 km
2026-09-24 02:40 UTC	UAL3903	EWR → ORD Newark → Chicago	N657UA	Boeing B767 300ER	Completed	1284 km
2026-09-22 22:10 UTC	UAL3903	MSP → EWR Minneapolis → Newark	N819UA	Airbus A319	Completed	1767 km
2026-09-21 18:35 UTC	UAL3903	DFW → MSY Dallas-Fort Worth → New Orleans	N896UA	Airbus A319	Completed	893 km
2026-09-19 19:15 UTC	UAL3903	SFO → ORD San Francisco → Chicago	N25982	Boeing 787-9	Completed	3180 km
2026-09-13 00:15 UTC	UAL3903	MFR → SFO Medford → San Francisco	N441UA	Airbus A320 233	Completed	723 km
2026-09-03 14:10 UTC	UAL3903	EDI → IAD Edinburgh → Washington, DC	N17104	Boeing 757-200	Completed	5769 km
2026-09-02 00:36 UTC	UAL3903	ORD → IAD Chicago → Washington, DC	N14102	Boeing 757-200	Completed	1081 km
2026-08-29 18:11 UTC	UAL3903	IAH → IAD Houston → Washington, DC	N651UA	Boeing B767 300ER	Completed	2077 km
2026-08-28 00:52 UTC	UAL3903	MCO → ORD Orlando → Chicago	N33132	Boeing 757-200	Completed	1809 km
2026-08-25 22:40 UTC	UAL3903	IAD → LAX Washington, DC → Los Angeles	N57409	Boeing 737 MAX 9	Completed	~5550 km est. (1480 km recorded)
2026-08-24 04:19 UTC	UAL3903	ONT → LAX Ontario → Los Angeles	N66831	Boeing 737-900	Completed	80 km
2026-08-20 19:54 UTC	UAL3903	IAH → DEN Houston → Denver	N17300	Boeing 737 MAX 8	Completed	1750 km
2026-08-18 16:18 UTC	UAL3903	DEN → IAD Denver → Washington, DC	N18119	Boeing 757-200	Completed	4525 km
2026-08-15 22:39 UTC	UAL3903	IAD → SFO Washington, DC → San Francisco	N29907	Boeing 787-8	Completed	6166 km
2026-08-13 02:55 UTC	UAL3903	? → ORD ? → Chicago	N77258	Boeing 737-800	Completed	1110 km