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 29 April 2026 America/Los_Angeles. The flight is expected to land at John Wayne Airport at 07:48 29 April 2026 America/Los_Angeles. The flight will last about 1 hours 48 minutes.

Current status of UA643 is Scheduled On time Estimated Depart in 23 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 23 minutes
Departure San Francisco International Airport
IATA: SFOICAO: KSFO
Scheduled 06:00 29 April 2026
Estimated 06:00 29 April 2026
3 D53
Arrival John Wayne Airport
IATA: SNAICAO: KSNA
Scheduled 07:48 29 April 2026
Estimated 07:35 29 April 2026
3 E9
UA643 Detail
  • Type: Domestic Flight
  • Code Shares: AC 5211, CA 7253, NH 7315, NZ 9237, VA 8122
  • Flight Duration: 1 hours 48 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: Wednesday 2026-04-29 05:37 AM
  • Current Time in Santa Ana: Wednesday 2026-04-29 05:37 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
Tue 28 Apr
Scheduled On time
San Francisco (SFO) 2026-04-28T10:34
Santa Ana (SNA) 2026-04-28T12:18
Mon 27 Apr
Arrived On time
San Francisco (SFO) 2026-04-27T15:29
Santa Ana (SNA) 2026-04-27T20:43
2026-04-27T15:19
2026-04-27T20:04
Sat 25 Apr
Scheduled On time
San Francisco (SFO) 2026-04-25T15:29
Santa Ana (SNA) 2026-04-25T20:43
Thu 23 Apr
Scheduled Delayed by 16m
San Francisco (SFO) 2026-04-23T15:29
Santa Ana (SNA) 2026-04-23T20:43
Tue 21 Apr
Departed On time
San Francisco (SFO) 2026-04-21T15:29
Santa Ana (SNA) 2026-04-21T20:43
2026-04-21T15:17
Tue 14 Apr
Scheduled On time
San Francisco (SFO) 2026-04-14T06:00
Santa Ana (SNA) 2026-04-14T07:48
Mon 13 Apr
Departed On time
San Francisco (SFO) 2026-04-13T15:29
Santa Ana (SNA) 2026-04-13T20:43
2026-04-13T15:17
Sat 11 Apr
Scheduled On time
San Francisco (SFO) 2026-04-11T06:00
Santa Ana (SNA) 2026-04-11T07:48
Fri 10 Apr
Arrived On time
San Francisco (SFO) 2026-04-10T15:29
Santa Ana (SNA) 2026-04-10T20:43
2026-04-10T15:26
2026-04-10T20:35
Thu 09 Apr
Scheduled On time
San Francisco (SFO) 2026-04-09T15:29
Santa Ana (SNA) 2026-04-09T20:43

Flight routes similar to United Airlines UA643

Airline Flight no Departure Arrival
American Airlines AA7446
American Airlines 		29/04/2026
16:20 		1 hours 39 minutes
17:59
Virgin Australia VA8495
Virgin Australia 		29/04/2026
10:34 		1 hours 44 minutes
12:18
American Airlines AA7418
American Airlines 		29/04/2026
09:26 		1 hours 45 minutes
11:11
Virgin Australia VA8574
Virgin Australia 		29/04/2026
08:25 		1 hours 54 minutes
10:19
Alaska Airlines AS3327
Alaska Airlines 		29/04/2026
10:33 		2 hours 3 minutes
12:15
Air Canada AC3106
Air Canada 		29/04/2026
08:25 		1 hours 33 minutes
10:19
American Airlines AA7608
American Airlines 		29/04/2026
14:06 		1 hours 40 minutes
15:46
Air Canada AC4518
Air Canada 		29/04/2026
10:34 		1 hours 44 minutes
12:18

United Airlines Flight UA643 FAQs

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

On average, nonstop flight takes 1 hour(s) 48 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 07:48.

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 .