United Airlines UA1851 Flight Status Today

Domestic flight United Airlines UA1851 takes off from Ontario (ONT) United States to San Francisco (SFO) United States. It's operated by United Airlines. The plane leaves Ontario International Airport at 10:37 01 May 2026 America/Los_Angeles. The flight is expected to land at San Francisco International Airport at 12:07 01 May 2026 America/Los_Angeles. The flight will last about 1 hours 30 minutes.

Current status of UA1851 is Scheduled On time Estimated Depart in 5 hours, 23 minutes

UA1851 - UAL1851 United Airlines (UA)
ONT Ontario United States
Flight ONT to SFO
SFO San Francisco United States
Scheduled On time Estimated Depart in 5 hours, 23 minutes
Departure Ontario International Airport
IATA: ONTICAO: KONT
Scheduled 10:37 01 May 2026
Estimated 10:37 01 May 2026
2 201
Arrival San Francisco International Airport
IATA: SFOICAO: KSFO
Scheduled 12:07 01 May 2026
Estimated 12:07 01 May 2026
2 D14
UA1851 Detail
  • Type: Domestic Flight
  • Code Shares: AC 4424
  • Flight Duration: 1 hours 30 minutes
  • Flight Distance: 586 kms / 364 miles
Airline
  • United Airlines
  • IATA: UA
  • ICAO: UAL
  • Operating Days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
Passenger Services
  • Service type: Normal passenger
  • Seats: 167
  • Freight capacity: 17.1 tons
  • Passenger classes: First Class, Economy, Business Class, Shuttle
More Detail
  • Aircraft: Airbus A320
  • Callsign: F-KDBQ3
  • Departure Timezone: America/Los_Angeles
  • Arrival Timezone: America/Los_Angeles
  • Current Time in Ontario: Friday 2026-05-01 05:14 AM
  • Current Time in San Francisco: Friday 2026-05-01 05:14 AM

United Airlines UA1851 Flight Statistics

United Airlines
United Airlines
FLIGHT NO UA1851
AIRPLANE Airbus A320
ON TIME 12
DELAYED 2
CANCELLED 0
ON TIME 26
DELAYED 4
CANCELLED 0
ON TIME 38
DELAYED 6
CANCELLED 0
ON TIME 48
DELAYED 7
CANCELLED 2
Last 14 days flight data
14 30 60 90
On Time Rate

United Airlines UA1851 Flight Schedule and Histories

Time Departure Arrival Actual departure Actual arrival
Thu 30 Apr
Scheduled On time
Ontario (ONT) 2026-04-30T10:45
San Francisco (SFO) 2026-04-30T12:14
Sun 19 Apr
Arrived On time
Ontario (ONT) 2026-04-19T08:50
San Francisco (SFO) 2026-04-19T11:33
2026-04-19T09:02
2026-04-19T11:33
Sat 18 Apr
Arrived On time
Ontario (ONT) 2026-04-18T08:50
San Francisco (SFO) 2026-04-18T11:33
2026-04-18T09:07
2026-04-18T11:46
Fri 17 Apr
Arrived On time
Ontario (ONT) 2026-04-17T08:50
San Francisco (SFO) 2026-04-17T11:33
2026-04-17T08:48
2026-04-17T11:18
Thu 16 Apr
Arrived On time
Ontario (ONT) 2026-04-16T08:50
San Francisco (SFO) 2026-04-16T11:33
2026-04-16T08:51
2026-04-16T11:32
Wed 15 Apr
Arrived On time
Ontario (ONT) 2026-04-15T08:50
San Francisco (SFO) 2026-04-15T11:33
2026-04-15T08:49
2026-04-15T11:32
Tue 14 Apr
Arrived Delayed by 2h 4m
Ontario (ONT) 2026-04-14T08:50
San Francisco (SFO) 2026-04-14T11:33
2026-04-14T11:13
2026-04-14T13:37
Mon 13 Apr
Arrived Delayed by 56m
Ontario (ONT) 2026-04-13T08:50
San Francisco (SFO) 2026-04-13T11:33
2026-04-13T09:57
2026-04-13T12:29
Sun 12 Apr
Arrived On time
Ontario (ONT) 2026-04-12T08:50
San Francisco (SFO) 2026-04-12T11:33
2026-04-12T08:49
2026-04-12T11:25
Sat 11 Apr
Arrived On time
Ontario (ONT) 2026-04-11T08:50
San Francisco (SFO) 2026-04-11T11:33
2026-04-11T08:44
2026-04-11T11:19

Flight routes similar to United Airlines UA1851

Airline Flight no Departure Arrival
United Airlines UA1375
United Airlines 		01/05/2026
13:30 		1 hours 29 minutes
14:59
Copa Airlines CM1360
Copa Airlines 		01/05/2026
13:30 		1 hours 29 minutes
14:59
Air Canada AC4080
Air Canada 		01/05/2026
06:00 		1 hours 29 minutes
07:29
Air Canada AC4015
Air Canada 		01/05/2026
13:27 		1 hours 21 minutes
14:56
Air Canada AC4424
Air Canada 		01/05/2026
11:05 		1 hours 35 minutes
12:34
Air Canada AC4112
Air Canada 		01/05/2026
18:49 		1 hours 29 minutes
20:18
Copa Airlines CM2528
Copa Airlines 		01/05/2026
18:49 		1 hours 29 minutes
20:18
Emirates EK6212
Emirates 		01/05/2026
11:05 		1 hours 35 minutes
12:34

United Airlines Flight UA1851 FAQs

What is the scheduled flight duration for United Airlines UA1851 flight?

On average, nonstop flight takes 1 hour(s) 30 minutes, with the flight distance of 586 km (364 miles).

What is the current status of United Airlines UA1851 flight?

The current status of flight United Airlines UA1851 is Scheduled On time.

What type of aircraft is used for the United Airlines UA1851 flight?

All United Airlines UA1851 flights are operated using Airbus A320 aircraft.

When does the flight United Airlines UA1851 arrive?

Flight United Airlines UA1851 arrives at 12:07.

Which terminal the flight United Airlines UA1851 is arriving at?

Flight United Airlines UA1851 arrives in San Francisco International Airport at Terminal 2.

How many United Airlines UA1851 flights are operated a week?

7 flights per week. The Flight United Airlines UA1851 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday .