United Airlines UA643 Flight Status Today

Domestic flight United Airlines UA643 takes off from Las Vegas (LAS) United States to San Francisco (SFO) United States. It's operated by United Airlines. The plane leaves McCarran International Airport at 06:00 06 February 2026 America/Los_Angeles. The flight is expected to land at San Francisco International Airport at 07:46 06 February 2026 America/Los_Angeles. The flight will last about 1 hours 46 minutes.

Current status of UA643 is Scheduled On time Estimated Depart in 44 minutes

UA643 - UAL643 United Airlines (UA)
LAS Las Vegas United States
Flight LAS to SFO
SFO San Francisco United States
Scheduled On time Estimated Depart in 44 minutes
Departure McCarran International Airport
IATA: LASICAO: KLAS
Scheduled 06:00 06 February 2026
Estimated 06:00 06 February 2026
3 D50
Arrival San Francisco International Airport
IATA: SFOICAO: KSFO
Scheduled 07:46 06 February 2026
Estimated 07:46 06 February 2026
3 F14
UA643 Detail
  • Type: Domestic Flight
  • Code Shares: AC 5211, NH 7315, NZ 9237, VA 8122
  • Flight Duration: 1 hours 46 minutes
  • Flight Distance: 668 kms / 415 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 737MAX 9 Passenger
  • Callsign: F-NZAA2
  • Departure Timezone: America/Los_Angeles
  • Arrival Timezone: America/Los_Angeles
  • Current Time in Las Vegas: Friday 2026-02-06 05:16 AM
  • Current Time in San Francisco: Friday 2026-02-06 05:16 AM

United Airlines UA643 Flight Statistics

United Airlines
United Airlines
FLIGHT NO UA643
AIRPLANE Boeing 737MAX 9 Passenger
ON TIME 11
DELAYED 3
CANCELLED 0
ON TIME 26
DELAYED 3
CANCELLED 0
ON TIME 47
DELAYED 5
CANCELLED 0
ON TIME 64
DELAYED 6
CANCELLED 1
Last 14 days flight data
14 30 60 90
On Time Rate

United Airlines UA643 Flight Schedule and Histories

Time Departure Arrival Actual departure Actual arrival
Wed 04 Feb
Scheduled On time
Las Vegas (LAS) 2026-02-04T06:00
San Francisco (SFO) 2026-02-04T07:46
Tue 03 Feb
Scheduled On time
Las Vegas (LAS) 2026-02-03T15:34
San Francisco (SFO) 2026-02-03T20:46
Mon 02 Feb
Departed On time
Las Vegas (LAS) 2026-02-02T15:34
San Francisco (SFO) 2026-02-02T20:46
2026-02-02T15:29
Tue 27 Jan
Arrived On time
Las Vegas (LAS) 2026-01-27T15:34
San Francisco (SFO) 2026-01-27T20:46
2026-01-27T15:24
2026-01-27T20:22
Mon 26 Jan
Scheduled On time
Las Vegas (LAS) 2026-01-26T10:40
San Francisco (SFO) 2026-01-26T12:15
Fri 23 Jan
Scheduled On time
Las Vegas (LAS) 2026-01-23T06:00
San Francisco (SFO) 2026-01-23T07:46
Thu 22 Jan
Scheduled On time
Las Vegas (LAS) 2026-01-22T06:00
San Francisco (SFO) 2026-01-22T07:46
Wed 21 Jan
Scheduled On time
Las Vegas (LAS) 2026-01-21T15:34
San Francisco (SFO) 2026-01-21T20:46
Sat 17 Jan
Scheduled On time
Las Vegas (LAS) 2026-01-17T10:40
San Francisco (SFO) 2026-01-17T12:15
Fri 16 Jan
Scheduled On time
Las Vegas (LAS) 2026-01-16T06:00
San Francisco (SFO) 2026-01-16T07:46

Flight routes similar to United Airlines UA643

Airline Flight no Departure Arrival
British Airways BA2954
British Airways 		06/02/2026
20:13 		1 hours 42 minutes
21:55
United Airlines UA2356
United Airlines 		06/02/2026
07:30 		1 hours 49 minutes
09:16
Virgin Australia VA8122
Virgin Australia 		06/02/2026
06:00 		1 hours 24 minutes
07:46
United Airlines UA574
United Airlines 		06/02/2026
11:02 		1 hours 32 minutes
12:48
Asiana Airlines OZ6339
Asiana Airlines 		06/02/2026
19:42 		1 hours 46 minutes
21:28
Air New Zealand NZ9235
Air New Zealand 		06/02/2026
13:48 		1 hours 22 minutes
15:34
United Airlines UA1267
United Airlines 		06/02/2026
19:42 		1 hours 46 minutes
21:28
United Airlines UA2047
United Airlines 		06/02/2026
16:05 		1 hours 45 minutes
17:50

United Airlines Flight UA643 FAQs

What is the scheduled flight duration for United Airlines UA643 flight?

On average, nonstop flight takes 1 hour(s) 46 minutes, with the flight distance of 668 km (415 miles).

What is the current status of United Airlines UA643 flight?

The current status of flight United Airlines UA643 is Scheduled On time.

What type of aircraft is used for the United Airlines UA643 flight?

All United Airlines UA643 flights are operated using Boeing 737MAX 9 Passenger aircraft.

When does the flight United Airlines UA643 arrive?

Flight United Airlines UA643 arrives at 07:46.

Which terminal the flight United Airlines UA643 is arriving at?

Flight United Airlines UA643 arrives in San Francisco International Airport at Terminal 3.

How many United Airlines UA643 flights are operated a week?

7 flights per week. The Flight United Airlines UA643 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday .