United Airlines UA643 Flight Status Today

Domestic flight United Airlines UA643 takes off from San Francisco (SFO) United States to Santa Ana (SNA) United States. It's operated by United Airlines. The plane leaves San Francisco International Airport at 06:00 16 January 2026 America/Los_Angeles. The flight is expected to land at John Wayne Airport at 07:46 16 January 2026 America/Los_Angeles. The flight will last about 1 hours 46 minutes.

Current status of UA643 is Scheduled On time Estimated Depart in 22 minutes

UA643 - UAL643 United Airlines (UA)
SFO San Francisco United States
Flight SFO to SNA
SNA Santa Ana United States
Scheduled On time Estimated Depart in 22 minutes
Departure San Francisco International Airport
IATA: SFOICAO: KSFO
Scheduled 06:00 16 January 2026
Estimated 06:00 16 January 2026
3 D58
Arrival John Wayne Airport
IATA: SNAICAO: KSNA
Scheduled 07:46 16 January 2026
Estimated 07:46 16 January 2026
3 E5
UA643 Detail
  • Type: Domestic Flight
  • Code Shares: AC 5211, NH 7315, NZ 9237, VA 8122
  • Flight Duration: 1 hours 46 minutes
  • Flight Distance: 599 kms / 372 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 San Francisco: Friday 2026-01-16 05:38 AM
  • Current Time in Santa Ana: Friday 2026-01-16 05:38 AM

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
Wed 14 Jan
Scheduled On time
San Francisco (SFO) 2026-01-14T10:40
Santa Ana (SNA) 2026-01-14T12:15
Fri 09 Jan
Scheduled On time
San Francisco (SFO) 2026-01-09T10:40
Santa Ana (SNA) 2026-01-09T12:15
Wed 07 Jan
Arrived On time
San Francisco (SFO) 2026-01-07T15:34
Santa Ana (SNA) 2026-01-07T20:46
2026-01-07T15:23
2026-01-07T20:36
Tue 06 Jan
Arrived On time
San Francisco (SFO) 2026-01-06T15:34
Santa Ana (SNA) 2026-01-06T20:46
2026-01-06T15:26
2026-01-06T20:23
Mon 05 Jan
In Gate
San Francisco (SFO) 2026-01-05 07:05
Santa Ana (SNA) 2026-01-05 09:29
2026-01-05 08:09
2026-01-05 10:13
Sun 04 Jan
Departed On time
San Francisco (SFO) 2026-01-04T15:19
Santa Ana (SNA) 2026-01-04T20:26
2026-01-04T15:16
Thu 01 Jan
Scheduled On time
San Francisco (SFO) 2026-01-01T15:19
Santa Ana (SNA) 2026-01-01T20:26
Tue 30 Dec
Departed On time
San Francisco (SFO) 2025-12-30T15:19
Santa Ana (SNA) 2025-12-30T20:26
2025-12-30T15:13
Thu 25 Dec
Departed On time
San Francisco (SFO) 2025-12-25T15:19
Santa Ana (SNA) 2025-12-25T20:26
2025-12-25T15:08
Mon 24 Nov
Departed On time
San Francisco (SFO) 2025-11-24T06:45
Santa Ana (SNA) 2025-11-24T09:27
2025-11-24T06:37

Flight routes similar to United Airlines UA643

Airline Flight no Departure Arrival
Air Canada AC4518
Air Canada 		16/01/2026
10:40 		1 hours 35 minutes
12:15
American Airlines AA9325
American Airlines 		16/01/2026
12:41 		1 hours 38 minutes
14:19
Air Canada AC4246
Air Canada 		16/01/2026
07:20 		1 hours 38 minutes
08:58
American Airlines AA9344
American Airlines 		16/01/2026
19:40 		1 hours 36 minutes
21:16
Alaska Airlines AS3494
Alaska Airlines 		16/01/2026
17:00 		1 hours 38 minutes
18:38
Alaska Airlines AS3216
Alaska Airlines 		16/01/2026
11:33 		1 hours 41 minutes
13:14
Alaska Airlines AS3465
Alaska Airlines 		16/01/2026
15:38 		1 hours 36 minutes
17:14
Hawaiian Airlines HA7035
Hawaiian Airlines 		16/01/2026
11:33 		1 hours 54 minutes
13:14

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 599 km (372 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 07:46.

Which terminal the flight United Airlines UA643 is arriving at?

Flight United Airlines UA643 arrives in John Wayne 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 .