UA643 United Airlines - Flight Status
Below, you can find details about United Airlines flight UA643, which currently operates between the airports of San Francisco - San Francisco International Airport (Airport Code SFO) and Santa Ana - John Wayne Airport (Airport Code SNA).
This flight data pertains specifically to the flight's details for Friday, August 22, 2025.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA643
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA643
UA643 On Time performance:
n/a
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions. Flight Status
UA643 United Airlines to Santa Ana
Landed - On-time
Flight Status for Friday August 22, 2025
This flight was also scheduled for Yesterday (August 21, 2025). See it here
This flight is also scheduled for Tomorrow (August 23, 2025). See it here
Landed - On-time
Flight Status for Friday August 22, 2025
Departure
San Francisco (SFO)
August 22, 2025
San Francisco International Airport
Departed at:
10:34 am
Terminal:
3
Gate:
E8
Scheduled Departure Time: 10:40 am
Arrival
Santa Ana (SNA)
August 22, 2025
John Wayne Airport
Arrived at:
12:01 pm
Terminal:
-
Gate:
9
Scheduled Arrival Time: 12:16 pm
Baggage: 4
Disclaimer
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Codeshare Flights
This flight is shared with other airlines, this means that these other flights are the same:
- AC3054 - Air Canada
- VA8495 - Virgin Australia
Additional Information
Which is the frequency of flight UA643?
The flight UA643 is scheduled to flight on Tuesday, Wednesday, Thursday, Friday on a weekly basis.
Which is the distance of flight UA643?
The distance between the two airports is 372 miles.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
The flight UA643 is scheduled to flight on Tuesday, Wednesday, Thursday, Friday on a weekly basis.
Which is the distance of flight UA643?
The distance between the two airports is 372 miles.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
Alternative Flights
The following airlines serves the same route between San Francisco and Santa Ana:
Alaska Airlines
- Flight Number: AS3416. (On Time performance: 78 - Average Delay: 8 minutes)
- Flight Number: AS3450. (On Time performance: 88 - Average Delay: 6 minutes)
- Flight Number: AS3457. (On Time performance: 54 - Average Delay: 29 minutes)
- Flight Number: AS3465. (On Time performance: 84 - Average Delay: 9 minutes)
- Flight Number: AS3492. (On Time performance: 79 - Average Delay: 9 minutes)
- Flight Number: AS3494. (On Time performance: 78 - Average Delay: 11 minutes)
- Flight Number: AS739. (On Time performance: 90 - Average Delay: 8 minutes)
Frontier Airlines
- Flight Number: F94202. (On Time performance: 54 - Average Delay: 36 minutes)
United Airlines
- Flight Number: UA1630.
- Flight Number: UA2216. (On Time performance: 68 - Average Delay: 14 minutes)
- Flight Number: UA3457. (On Time performance: 28 - Average Delay: 32 minutes)
- Flight Number: UA373. (On Time performance: 80 - Average Delay: 14 minutes)
- Flight Number: UA4777. (On Time performance: 84 - Average Delay: 10 minutes)
- Flight Number: UA500. (On Time performance: 87 - Average Delay: 6 minutes)
- Flight Number: UA5242. (On Time performance: 82 - Average Delay: 11 minutes)
- Flight Number: UA5440. (On Time performance: 80 - Average Delay: 9 minutes)
- Flight Number: UA589. (On Time performance: 90 - Average Delay: 6 minutes)
- Flight Number: UA5937. (On Time performance: 84 - Average Delay: 11 minutes)
Alaska Airlines
- Flight Number: AS3416. (On Time performance: 78 - Average Delay: 8 minutes)
- Flight Number: AS3450. (On Time performance: 88 - Average Delay: 6 minutes)
- Flight Number: AS3457. (On Time performance: 54 - Average Delay: 29 minutes)
- Flight Number: AS3465. (On Time performance: 84 - Average Delay: 9 minutes)
- Flight Number: AS3492. (On Time performance: 79 - Average Delay: 9 minutes)
- Flight Number: AS3494. (On Time performance: 78 - Average Delay: 11 minutes)
- Flight Number: AS739. (On Time performance: 90 - Average Delay: 8 minutes)
Frontier Airlines
- Flight Number: F94202. (On Time performance: 54 - Average Delay: 36 minutes)
United Airlines
- Flight Number: UA1630.
- Flight Number: UA2216. (On Time performance: 68 - Average Delay: 14 minutes)
- Flight Number: UA3457. (On Time performance: 28 - Average Delay: 32 minutes)
- Flight Number: UA373. (On Time performance: 80 - Average Delay: 14 minutes)
- Flight Number: UA4777. (On Time performance: 84 - Average Delay: 10 minutes)
- Flight Number: UA500. (On Time performance: 87 - Average Delay: 6 minutes)
- Flight Number: UA5242. (On Time performance: 82 - Average Delay: 11 minutes)
- Flight Number: UA5440. (On Time performance: 80 - Average Delay: 9 minutes)
- Flight Number: UA589. (On Time performance: 90 - Average Delay: 6 minutes)
- Flight Number: UA5937. (On Time performance: 84 - Average Delay: 11 minutes)
Punctuality and delays
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Last Past Flights UA643
Date
Departure
Arrival
Duration
Aircraft
Status
Thursday
21 August
21 August
10:31 am
San Francisco (SFO)
San Francisco (SFO)
12:06 pm
Santa Ana (SNA)
Santa Ana (SNA)
01h 35min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Wednesday
20 August
20 August
10:32 am
San Francisco (SFO)
San Francisco (SFO)
12:03 pm
Santa Ana (SNA)
Santa Ana (SNA)
01h 31min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Tuesday
19 August
19 August
10:34 am
San Francisco (SFO)
San Francisco (SFO)
12:13 pm
Santa Ana (SNA)
Santa Ana (SNA)
01h 39min
Boeing 737MAX
Boeing 737MAX
Landed - On-time