UA393 United Airlines - Flight Status
Below, you can find details about United Airlines flight UA393, which currently operates between the airports of Ontario - Ontario International Airport (Airport Code ONT) and San Francisco - San Francisco International Airport (Airport Code SFO).
This flight data pertains specifically to the flight's details for Thursday, August 21, 2025.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA393
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA393
UA393 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
UA393 United Airlines from Ontario
Scheduled - On-time
Flight Status for Thursday August 21, 2025
This flight was also scheduled for Yesterday (August 19, 2025). See it here
This flight is also scheduled for Today (August 20, 2025). See it here
Scheduled - On-time
Flight Status for Thursday August 21, 2025
Airline information
United Airlines
Equipment: Airbus A320
Departure
Ontario (ONT)
August 21, 2025
Ontario International Airport
Estimated Departure Time:
06:50 pm
Terminal:
2
Gate:
-
Scheduled Departure Time: 06:50 pm
Arrival
San Francisco (SFO)
August 21, 2025
San Francisco International Airport
Estimated Arrival Time:
08:09 pm
Terminal:
2
Gate:
D8
Scheduled Arrival Time: 08:09 pm
Disclaimer
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Codeshare Flights
This flight is shared with other airlines, this means that these other flights are the same:
- AC4112 - Air Canada
- CM2528 - Copa Airlines
Additional Information
Which is the frequency of flight UA393?
The flight UA393 is currently not scheduled at San Francisco Airport (SFO).
Which is the distance of flight UA393?
The distance between the two airports is 364 miles.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
The flight UA393 is currently not scheduled at San Francisco Airport (SFO).
Which is the distance of flight UA393?
The distance between the two airports is 364 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 Ontario and San Francisco:
Frontier Airlines
- Flight Number: F92677. (On Time performance: 58 - Average Delay: 25 minutes)
United Airlines
- Flight Number: UA1603. (On Time performance: 67 - Average Delay: 22 minutes)
- Flight Number: UA2042. (On Time performance: 73 - Average Delay: 19 minutes)
- Flight Number: UA2332. (On Time performance: 90 - Average Delay: 4 minutes)
- Flight Number: UA277. (On Time performance: 91 - Average Delay: 7 minutes)
Frontier Airlines
- Flight Number: F92677. (On Time performance: 58 - Average Delay: 25 minutes)
United Airlines
- Flight Number: UA1603. (On Time performance: 67 - Average Delay: 22 minutes)
- Flight Number: UA2042. (On Time performance: 73 - Average Delay: 19 minutes)
- Flight Number: UA2332. (On Time performance: 90 - Average Delay: 4 minutes)
- Flight Number: UA277. (On Time performance: 91 - Average Delay: 7 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 UA393
Date
Departure
Arrival
Duration
Aircraft
Status
Tuesday
19 August
19 August
07:46 pm
Ontario (ONT)
Ontario (ONT)
09:33 pm
San Francisco (SFO)
San Francisco (SFO)
01h 47min
Airbus A320
Airbus A320
Landed - Delayed