United Airlines UA1851 Flight Status : Live Tracking & Updates

Domestic flight United Airlines UA1851 takes off from San Francisco (SFO) United States to Chicago (ORD) United States. It's operated by United Airlines. The plane leaves San Francisco International Airport at 14:40 America/Los_Angeles. The flight is expected to land at O'Hare International Airport at 21:03 America/Chicago. The flight will last about 4 hours 23 minutes.

UA1851 - UAL1851 United Airlines (UA)
SFO San Francisco United States
Flight SFO to ORD
ORD Chicago United States
Contact Airlines It may not operate on the date requested
Departure San Francisco International Airport
IATA: SFOICAO: KSFO
Scheduled 14:40
3 F22
Arrival O'Hare International Airport
IATA: ORDICAO: KORD
Scheduled 21:03
1 C10
UA1851 Detail
  • Type: Domestic Flight
  • Flight Duration: 4 hours 23 minutes
  • Flight Distance: 2972 kms / 1847 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: Boeing 787-10
  • Callsign: F-KDBQ3
  • Departure Timezone: America/Los_Angeles
  • Arrival Timezone: America/Chicago
  • Current Time in San Francisco: Tuesday 2026-05-05 09:49 AM
  • Current Time in Chicago: Tuesday 2026-05-05 11:49 AM

United Airlines UA1851 Flight Statistics

United Airlines
United Airlines
FLIGHT NO UA1851
AIRPLANE Boeing 787-10
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
Mon 04 May
Departed Delayed by 33m
San Francisco (SFO) 2026-05-04T14:40
Chicago (ORD) 2026-05-04T21:03
2026-05-04T14:47
Sun 03 May
Departed Delayed by 28m
San Francisco (SFO) 2026-05-03T14:40
Chicago (ORD) 2026-05-03T21:03
2026-05-03T14:39
Sat 02 May
Departed On time
San Francisco (SFO) 2026-05-02T14:40
Chicago (ORD) 2026-05-02T21:03
2026-05-02T14:50
Fri 01 May
Departed Delayed by 2h 1m
San Francisco (SFO) 2026-05-01T14:40
Chicago (ORD) 2026-05-01T21:03
2026-05-01T16:38
Thu 30 Apr
Arrived Delayed by 40m
San Francisco (SFO) 2026-04-30T10:45
Chicago (ORD) 2026-04-30T12:14
2026-04-30T11:28
2026-04-30T12:54
Sun 19 Apr
Arrived On time
San Francisco (SFO) 2026-04-19T08:50
Chicago (ORD) 2026-04-19T11:33
2026-04-19T09:02
2026-04-19T11:33
Sat 18 Apr
Arrived On time
San Francisco (SFO) 2026-04-18T08:50
Chicago (ORD) 2026-04-18T11:33
2026-04-18T09:07
2026-04-18T11:46
Fri 17 Apr
Arrived On time
San Francisco (SFO) 2026-04-17T08:50
Chicago (ORD) 2026-04-17T11:33
2026-04-17T08:48
2026-04-17T11:18
Thu 16 Apr
Arrived On time
San Francisco (SFO) 2026-04-16T08:50
Chicago (ORD) 2026-04-16T11:33
2026-04-16T08:51
2026-04-16T11:32
Wed 15 Apr
Arrived On time
San Francisco (SFO) 2026-04-15T08:50
Chicago (ORD) 2026-04-15T11:33
2026-04-15T08:49
2026-04-15T11:32

Flight routes similar to United Airlines UA1851

Airline Flight no Departure Arrival
Gulf Air GF6849
Gulf Air 		05/05/2026
14:57 		4 hours 37 minutes
21:34
Air New Zealand NZ9309
Air New Zealand 		05/05/2026
06:30 		4 hours 27 minutes
12:57
Air Canada AC4374
Air Canada 		05/05/2026
05:30 		4 hours 5 minutes
11:55
American Airlines AA2113
American Airlines 		05/05/2026
23:28 		4 hours 17 minutes
05:45
Gulf Air GF6456
Gulf Air 		05/05/2026
10:42 		4 hours 35 minutes
17:17
United Airlines UA1045
United Airlines 		05/05/2026
00:45 		3 hours 55 minutes
07:07
United Airlines UA2091
United Airlines 		05/05/2026
06:30 		4 hours 27 minutes
12:57
Air Canada AC5366
Air Canada 		05/05/2026
06:30 		4 hours 27 minutes
12:57

United Airlines Flight UA1851 FAQs

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

On average, nonstop flight takes 4 hour(s) 23 minutes, with the flight distance of 2972 km (1847 miles).

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

All United Airlines UA1851 flights are operated using Boeing 787-10 aircraft.

Which terminal the flight United Airlines UA1851 is arriving at?

Flight United Airlines UA1851 arrives in O'Hare International Airport at Terminal 1.

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 .