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 15:25 26 February 2026 America/Los_Angeles. The flight is expected to land at San Francisco International Airport at 20:35 26 February 2026 America/Los_Angeles. The flight will last about 3 hours 10 minutes.

Current status of UA643 is Scheduled On time Estimated Depart in 2 hours, 12 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 2 hours, 12 minutes
Departure McCarran International Airport
IATA: LASICAO: KLAS
Scheduled 15:25 26 February 2026
Estimated 15:25 26 February 2026
B 9
Arrival San Francisco International Airport
IATA: SFOICAO: KSFO
Scheduled 20:35 26 February 2026
Estimated 20:35 26 February 2026
D 2
UA643 Detail
  • Type: Domestic Flight
  • Flight Duration: 3 hours 10 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 8 Passenger
  • Callsign: F-NZAA2
  • Departure Timezone: America/Los_Angeles
  • Arrival Timezone: America/Los_Angeles
  • Current Time in Las Vegas: Thursday 2026-02-26 13:13 PM
  • Current Time in San Francisco: Thursday 2026-02-26 13:13 PM

United Airlines UA643 Flight Statistics

United Airlines
United Airlines
FLIGHT NO UA643
AIRPLANE Boeing 737MAX 8 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
Tue 24 Feb
Departed On time
Las Vegas (LAS) 2026-02-24T06:00
San Francisco (SFO) 2026-02-24T07:48
2026-02-24T05:56
Sat 21 Feb
Arrived On time
Las Vegas (LAS) 2026-02-21T15:25
San Francisco (SFO) 2026-02-21T20:35
2026-02-21T15:14
2026-02-21T20:07
Fri 20 Feb
Scheduled On time
Las Vegas (LAS) 2026-02-20T10:43
San Francisco (SFO) 2026-02-20T12:18
Thu 19 Feb
Scheduled Delayed by 17m
Las Vegas (LAS) 2026-02-19T10:43
San Francisco (SFO) 2026-02-19T12:18
Wed 18 Feb
Departed On time
Las Vegas (LAS) 2026-02-18T15:25
San Francisco (SFO) 2026-02-18T20:35
2026-02-18T15:10
Tue 17 Feb
Departed Delayed by 42m
Las Vegas (LAS) 2026-02-17T10:43
San Francisco (SFO) 2026-02-17T12:18
2026-02-17T11:25
Fri 13 Feb
Arrived On time
Las Vegas (LAS) 2026-02-13T15:25
San Francisco (SFO) 2026-02-13T20:35
2026-02-13T15:37
2026-02-13T20:44
Wed 11 Feb
Scheduled On time
Las Vegas (LAS) 2026-02-11T10:40
San Francisco (SFO) 2026-02-11T12:15
Sat 07 Feb
Departed On time
Las Vegas (LAS) 2026-02-07T15:34
San Francisco (SFO) 2026-02-07T20:46
2026-02-07T15:22
Fri 06 Feb
Scheduled On time
Las Vegas (LAS) 2026-02-06T06:00
San Francisco (SFO) 2026-02-06T07:46

Flight routes similar to United Airlines UA643

Airline Flight no Departure Arrival
ANA NH7315
ANA 		26/02/2026
06:00 		1 hours 28 minutes
07:48
United Airlines UA574
United Airlines 		26/02/2026
11:08 		1 hours 47 minutes
12:55
Lufthansa LH7853
Lufthansa 		26/02/2026
18:22 		1 hours 48 minutes
20:10
American Airlines AA7612
American Airlines 		26/02/2026
10:27 		1 hours 48 minutes
12:15
United Airlines UA2356
United Airlines 		26/02/2026
07:45 		1 hours 48 minutes
09:33
Lufthansa LH9213
Lufthansa 		26/02/2026
15:55 		1 hours 48 minutes
17:43
Emirates EK6179
Emirates 		26/02/2026
11:08 		1 hours 47 minutes
12:55
Virgin Australia VA8128
Virgin Australia 		26/02/2026
07:45 		1 hours 48 minutes
09:33

United Airlines Flight UA643 FAQs

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

On average, nonstop flight takes 3 hour(s) 10 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 8 Passenger aircraft.

When does the flight United Airlines UA643 arrive?

Flight United Airlines UA643 arrives at 20:35.

Which terminal the flight United Airlines UA643 is arriving at?

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

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 .