UAL1812

Flight

Status

Completed

Arrival confirmed via

ADS-B (callsign change)

Departure

Tampa International Airport (TPA) — Tampa, United States

Departed

2026-09-26 12:42 UTC

Arrival

Denver International Airport (DEN) — Denver, United States

Distance flown

2594 km

Straight-line distance

2422 km

Approach distance

67 km

Aircraft

Registration

N12221

Type

Boeing 737-800

Seats

166 total (102 Economy, 48 Economy Plus, 16 First)

Altitude & speed

Max altitude

36,000 ft

Max ground speed

476 kt

Tracked

4h 41m · 2,584 km

Altitude (ft, max 36,000)

Ground speed (kt, max 476)

Altitude (ft, max 36,000)

Ground speed (kt, max 476)

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
2026-10-04 00:28 UTC	UAL1812	SFO → PDX San Francisco → Portland	N37252	Boeing 737-800	In progress	~886 km est.
2026-10-03 12:04 UTC	UAL1812	TPA → DEN Tampa → Denver	N37368	Boeing 737 MAX 8	Completed	2590 km
2026-10-03 00:02 UTC	UAL1812	SFO → PDX San Francisco → Portland	N484UA	Airbus A320 233	Completed	910 km
2026-10-02 19:40 UTC	UAL1812	DEN → SFO Denver → San Francisco	N14517	Airbus A321 Neo	Completed	1600 km
2026-10-02 12:20 UTC	UAL1812	TPA → DEN Tampa → Denver	N77544	Boeing 737 MAX 9	Completed	2539 km
2026-10-02 01:42 UTC	UAL1812	SFO → PDX San Francisco → Portland	N497UA	Airbus A320 233	Completed	917 km
2026-10-01 20:24 UTC	UAL1812	DEN → SFO Denver → San Francisco	N14528	Airbus A321 Neo	Completed	1576 km
2026-10-01 12:19 UTC	UAL1812	TPA → DEN Tampa → Denver	N17244	Boeing 737-800	Completed	2597 km
2026-09-30 23:55 UTC	UAL1812	SFO → PDX San Francisco → Portland	N484UA	Airbus A320 233	Completed	915 km
2026-09-30 19:27 UTC	UAL1812	DEN → SFO Denver → San Francisco	N14541	Airbus A321 Neo	Completed	1577 km
2026-09-30 12:11 UTC	UAL1812	TPA → DEN Tampa → Denver	N14228	Boeing 737-800	Completed	2535 km
2026-09-30 00:27 UTC	UAL1812	SFO → PDX San Francisco → Portland	N441UA	Airbus A320 233	Completed	931 km
2026-09-29 19:30 UTC	UAL1812	DEN → SFO Denver → San Francisco	N24508	Airbus A321 Neo	Completed	1575 km
2026-09-29 12:09 UTC	UAL1812	TPA → DEN Tampa → Denver	N47462	Boeing 737 MAX 9	Completed	2550 km
2026-09-29 00:21 UTC	UAL1812	SFO → PDX San Francisco → Portland	N490UA	Airbus A320 233	Completed	913 km
2026-09-28 19:28 UTC	UAL1812	DEN → SFO Denver → San Francisco	N14524	Airbus A321 Neo	Completed	1588 km
2026-09-28 12:11 UTC	UAL1812	TPA → DEN Tampa → Denver	N77530	Boeing 737-800	Completed	2565 km
2026-09-28 01:58 UTC	UAL1812	SFO → PDX San Francisco → Portland	N475UA	Airbus A320 233	Completed	921 km
2026-09-27 20:21 UTC	UAL1812	DEN → SFO Denver → San Francisco	N24513	Airbus A321 Neo	Completed	1585 km
2026-09-27 12:31 UTC	UAL1812	TPA → DEN Tampa → Denver	N76519	Boeing 737-800	Completed	2677 km
2026-09-27 00:14 UTC	UAL1812	SFO → PDX San Francisco → Portland	N78511	Boeing 737-800	Completed	912 km
2026-09-26 19:34 UTC	UAL1812	DEN → SFO Denver → San Francisco	N14557	Airbus A321 Neo	Completed	1597 km
2026-09-26 12:42 UTC	UAL1812	TPA → DEN Tampa → Denver	N12221	Boeing 737-800	Completed	2594 km
2026-09-26 01:31 UTC	UAL1812	SFO → PDX San Francisco → Portland	N490UA	Airbus A320 233	Completed	923 km
2026-09-25 19:29 UTC	UAL1812	DEN → SFO Denver → San Francisco	N14520	Airbus A321 Neo	Completed	1607 km
2026-09-25 12:17 UTC	UAL1812	TPA → DEN Tampa → Denver	N76517	Boeing 737-800	Completed	2627 km
2026-09-25 00:24 UTC	UAL1812	SFO → PDX San Francisco → Portland	N465UA	Airbus A320 233	Completed	932 km
2026-09-24 19:29 UTC	UAL1812	DEN → SFO Denver → San Francisco	N14540	Airbus A321 Neo	Completed	1582 km
2026-09-24 12:13 UTC	UAL1812	TPA → DEN Tampa → Denver	N14231	Boeing 737-800	Completed	2518 km
2026-09-23 23:45 UTC	UAL1812	SFO → PDX San Francisco → Portland	N39297	Boeing 737-800	Completed	972 km
2026-09-23 19:39 UTC	UAL1812	DEN → SFO Denver → San Francisco	N54552	Airbus A321 Neo	Completed	1581 km
2026-09-22 20:33 UTC	UAL1812	DEN → SFO Denver → San Francisco	N14540	Airbus A321 Neo	Completed	1592 km
2026-09-21 23:42 UTC	UAL1812	SFO → PDX San Francisco → Portland	N806UA	Airbus A319	Completed	922 km
2026-09-21 20:03 UTC	UAL1812	DEN → SFO Denver → San Francisco	N24526	Airbus A321 Neo	Completed	1586 km
2026-09-21 00:50 UTC	UAL1812	SFO → PDX San Francisco → Portland	N17245	Boeing 737-800	Completed	924 km
2026-09-20 20:02 UTC	UAL1812	DEN → SFO Denver → San Francisco	N14541	Airbus A321 Neo	Completed	1580 km
2026-09-19 23:36 UTC	UAL1812	SFO → PDX San Francisco → Portland	N814UA	Airbus A319	Completed	943 km
2026-09-19 20:37 UTC	UAL1812	DEN → SFO Denver → San Francisco	N54570	Airbus A321 Neo	Completed	1658 km
2026-09-19 00:06 UTC	UAL1812	SFO → PDX San Francisco → Portland	N854UA	Airbus A319	Completed	941 km
2026-09-18 19:30 UTC	UAL1812	DEN → SFO Denver → San Francisco	N34535	Airbus A321 Neo	Completed	1678 km
2026-09-18 01:33 UTC	UAL1812	SFO → PDX San Francisco → Portland	N77538	Boeing 737-800	Completed	967 km
2026-09-17 19:28 UTC	UAL1812	DEN → SFO Denver → San Francisco	N14559	Airbus A321 Neo	Completed	1697 km
2026-09-17 00:36 UTC	UAL1812	SFO → PDX San Francisco → Portland	N814UA	Airbus A319	Completed	956 km
2026-09-16 19:25 UTC	UAL1812	DEN → SFO Denver → San Francisco	N14502	Airbus A321 Neo	Completed	1660 km
2026-09-15 19:34 UTC	UAL1812	DEN → SFO Denver → San Francisco	N14521	Airbus A321 Neo	Completed	1695 km
2026-09-14 23:25 UTC	UAL1812	SFO → PDX San Francisco → Portland	N882UA	Airbus A319	Completed	1000 km
2026-09-14 19:32 UTC	UAL1812	DEN → SFO Denver → San Francisco	N14511	Airbus A321 Neo	Completed	1672 km
2026-09-13 23:28 UTC	UAL1812	SFO → PDX San Francisco → Portland	N882UA	Airbus A319	Completed	1030 km
2026-09-13 19:30 UTC	UAL1812	DEN → SFO Denver → San Francisco	N74532	Airbus A321 Neo	Completed	1678 km
2026-09-12 23:35 UTC	UAL1812	SFO → PDX San Francisco → Portland	N16217	Boeing 737-800	Completed	1020 km