Informational Guide to Ontario Airport (ONT) - NON OFFICIAL

UA5357 United Airlines - Flight Status

Below, you can find details about United Airlines flight UA5357, 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 Tuesday, January 20, 2026.

UA5357 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

UA5357 United Airlines to San Francisco

Scheduled - On-time
Flight Status for Tuesday January 20, 2026

Airline information

United Airlines
United Airlines
Equipment: Embraer 175 (Enhanced Winglets)

Departure

Ontario (ONT)
January 20, 2026
Ontario International Airport
Estimated Departure Time:
06:32 pm
Terminal:
2
Gate:
201
Scheduled Departure Time: 06:32 pm

Arrival

San Francisco (SFO)
January 20, 2026
San Francisco International Airport
Estimated Arrival Time:
07:52 pm
Terminal:
3
Gate:
F5
Scheduled Arrival Time: 08:19 pm
Baggage: 4
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.ontario-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.

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 UA5357?
The flight UA5357 is scheduled to flight on Tuesday, Saturday on a weekly basis.

Which is the distance of flight UA5357?
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: 66 - Average Delay: 28 minutes)

United Airlines
- Flight Number: UA1470. (On Time performance: 100 - Average Delay: 1 minutes)
- Flight Number: UA2363. (On Time performance: 83 - Average Delay: 75 minutes)
- Flight Number: UA4639. (On Time performance: 47 - Average Delay: 41 minutes)
- Flight Number: UA5710. (On Time performance: 88 - Average Delay: 25 minutes)
- Flight Number: UA698. (On Time performance: 30 - Average Delay: 97 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

Last Past Flights UA5357

Date
Departure
Arrival
Duration
Aircraft
Status
Saturday
17 January
06:22 pm
Ontario (ONT)
07:51 pm
San Francisco (SFO)
01h 29min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Tuesday
13 January
06:23 pm
Ontario (ONT)
07:33 pm
San Francisco (SFO)
01h 10min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Saturday
10 January
06:22 pm
Ontario (ONT)
07:41 pm
San Francisco (SFO)
01h 19min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Tuesday
06 January
06:22 pm
Ontario (ONT)
07:36 pm
San Francisco (SFO)
01h 14min
Embraer 175 (E
Embraer 175 (E
Landed - On-time