United Airlines UA1251 Flight Status : Live Tracking & Updates

Domestic flight United Airlines UA1251 takes off from Denver (DEN) United States to Tucson (TUS) United States. It's operated by United Airlines. The plane leaves Denver International Airport at 08:05 05 May 2026 America/Denver. The flight is expected to land at Tucson International Airport at 10:16 05 May 2026 America/Phoenix. The flight will last about 4 hours 11 minutes.

Current status of UA1251 is Scheduled On time Estimated Depart in 7 hours, 23 minutes

UA1251 - UAL1251 United Airlines (UA)
DEN Denver United States
Flight DEN to TUS
TUS Tucson United States
Scheduled On time Estimated Depart in 7 hours, 23 minutes
Departure Denver International Airport
IATA: DENICAO: KDEN
Scheduled 08:05 05 May 2026
Estimated 08:05 05 May 2026
None A2
Arrival Tucson International Airport
IATA: TUSICAO: KTUS
Scheduled 10:16 05 May 2026
Estimated 10:16 05 May 2026
None A40
UA1251 Detail
  • Type: Domestic Flight
  • Flight Duration: 4 hours 11 minutes
  • Flight Distance: 1026 kms / 638 miles
Airline
  • United Airlines
  • IATA: UA
  • ICAO: UAL
  • Operating Days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
Passenger Services
  • Service type: Normal passenger
  • Seats: 146
  • Freight capacity: 9.4 tons
  • Passenger classes: First Class, Economy, Business Class, Shuttle
More Detail
  • Aircraft: Boeing 737MAX 8 Passenger
  • Callsign: T-F5M
  • Departure Timezone: America/Denver
  • Arrival Timezone: America/Phoenix
  • Current Time in Denver: Tuesday 2026-05-05 00:42 AM
  • Current Time in Tucson: Monday 2026-05-04 23:42 PM

United Airlines UA1251 Flight Statistics

United Airlines
United Airlines
FLIGHT NO UA1251
AIRPLANE Boeing 737MAX 8 Passenger
ON TIME 13
DELAYED 1
CANCELLED 0
ON TIME 23
DELAYED 7
CANCELLED 0
ON TIME 49
DELAYED 11
CANCELLED 0
ON TIME 70
DELAYED 13
CANCELLED 0
Last 14 days flight data
14 30 60 90
On Time Rate

United Airlines UA1251 Flight Schedule and Histories

Time Departure Arrival Actual departure Actual arrival
Mon 04 May
Arrived On time
Denver (DEN) 2026-05-04T11:30
Tucson (TUS) 2026-05-04T12:37
2026-05-04T11:21
2026-05-04T12:20
Sat 02 May
Departed On time
Denver (DEN) 2026-05-02T08:05
Tucson (TUS) 2026-05-02T10:16
2026-05-02T08:10
Fri 01 May
Departed On time
Denver (DEN) 2026-05-01T08:05
Tucson (TUS) 2026-05-01T10:16
2026-05-01T07:56
Thu 30 Apr
Arrived On time
Denver (DEN) 2026-04-30T11:30
Tucson (TUS) 2026-04-30T12:37
2026-04-30T11:28
2026-04-30T12:29
Thu 23 Apr
Scheduled On time
Denver (DEN) 2026-04-23T13:19
Tucson (TUS) 2026-04-23T16:10
Mon 20 Apr
Scheduled On time
Denver (DEN) 2026-04-20T13:19
Tucson (TUS) 2026-04-20T16:10
Sun 19 Apr
Arrived On time
Denver (DEN) 2026-04-19T13:19
Tucson (TUS) 2026-04-19T16:10
2026-04-19T13:22
2026-04-19T15:48
Thu 16 Apr
Arrived On time
Denver (DEN) 2026-04-16T13:19
Tucson (TUS) 2026-04-16T16:10
2026-04-16T13:15
2026-04-16T16:02
Tue 14 Apr
Scheduled On time
Denver (DEN) 2026-04-14T13:19
Tucson (TUS) 2026-04-14T16:10
Sat 11 Apr
Scheduled On time
Denver (DEN) 2026-04-11T13:19
Tucson (TUS) 2026-04-11T16:10

Flight routes similar to United Airlines UA1251

Airline Flight no Departure Arrival
Lufthansa LH8768
Lufthansa 		05/05/2026
19:25 		2 hours 16 minutes
20:41
United Airlines UA5651
United Airlines 		05/05/2026
16:10 		2 hours 19 minutes
17:29
United Airlines UA5385
United Airlines 		05/05/2026
13:45 		0 minutes
15:04
SkyWest Airlines OO5686
SkyWest Airlines 		05/05/2026
07:45 		2 hours 19 minutes
08:59
Air Canada AC4092
Air Canada 		05/05/2026
19:25 		2 hours 16 minutes
20:41
SkyWest Airlines OO5651
SkyWest Airlines 		05/05/2026
16:10 		2 hours 19 minutes
17:29
Air Canada AC4130
Air Canada 		05/05/2026
13:45 		2 hours 13 minutes
15:04
Air Canada AC3974
Air Canada 		05/05/2026
07:45 		2 hours 3 minutes
08:59

United Airlines Flight UA1251 FAQs

What is the scheduled flight duration for United Airlines UA1251 flight?

On average, nonstop flight takes 4 hour(s) 11 minutes, with the flight distance of 1026 km (638 miles).

What is the current status of United Airlines UA1251 flight?

The current status of flight United Airlines UA1251 is Scheduled On time.

What type of aircraft is used for the United Airlines UA1251 flight?

All United Airlines UA1251 flights are operated using Boeing 737MAX 8 Passenger aircraft.

How many United Airlines UA1251 flights are operated a week?

7 flights per week. The Flight United Airlines UA1251 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday .