UA1256

For travellers

Departure · Denver (DEN)

Gate B9

Scheduled 11:30 · Departed 11:20 · early

Board status: Off block

Airborne since 11:30 (ADS-B)

Board data from den, updated 42 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (callsign change)

Departure

Denver International Airport (DEN) — Denver, United States

Scheduled departure

2026-10-03 17:30 UTC

Departed

2026-10-03 17:30 UTC

Arrival

Norman Y. Mineta San Jose International Airport (SJC) — San Jose, United States

Distance flown

1577 km

Straight-line distance

1522 km

Approach distance

93 km

Aircraft

Registration

N446UA

Type

Airbus A320 233

Seats

150 total (96 Economy, 42 Economy Plus, 12 First)

CO2 (EMEP est., total)

36.3 t (236 kg/pax Economy, 316 kg/pax Business)

Altitude & speed

Max altitude

35,950 ft

Max ground speed

454 kt

Tracked

2h 39m · 1,570 km

Altitude (ft, max 35,950)

Ground speed (kt, max 454)

Altitude (ft, max 35,950)

Ground speed (kt, max 454)

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 17:30 UTC	UAL1256	DEN → SJC Denver → San Jose	N446UA	Airbus A320 233	Completed	1577 km
2026-10-03 14:08 UTC	UAL1256	TYS → DEN Knoxville → Denver	N474UA	Airbus A320 233	Completed	1946 km
2026-10-02 17:47 UTC	UAL1256	DEN → SJC Denver → San Jose	N431UA	Airbus A320 233	Completed	1557 km
2026-10-02 13:15 UTC	UAL1256	TYS → DEN Knoxville → Denver	N431UA	Airbus A320 233	Completed	1943 km
2026-10-01 17:41 UTC	UAL1256	DEN → SJC Denver → San Jose	N442UA	Airbus A320 233	Completed	1561 km
2026-10-01 13:12 UTC	UAL1256	TYS → DEN Knoxville → Denver	N454UA	Airbus A320 233	Completed	1953 km
2026-09-30 17:45 UTC	UAL1256	DEN → SJC Denver → San Jose	N448UA	Airbus A320 233	Completed	1565 km
2026-09-30 13:37 UTC	UAL1256	TYS → DEN Knoxville → Denver	N446UA	Airbus A320 233	Completed	1989 km
2026-09-29 17:31 UTC	UAL1256	DEN → SJC Denver → San Jose	N482UA	Airbus A320 233	Completed	1569 km
2026-09-29 13:16 UTC	UAL1256	TYS → DEN Knoxville → Denver	N462UA	Airbus A320 233	Completed	1943 km