Informational Guide to San Francisco Airport (SFO) - NON OFFICIAL

UA2661 United Airlines - Flight Status

Below, you can find details about United Airlines flight UA2661, which currently operates between the airports of San Francisco - San Francisco International Airport (Airport Code SFO) and Ontario - Ontario International Airport (Airport Code ONT).
This flight data pertains specifically to the flight's details for Saturday, February 14, 2026.

UA2661 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

UA2661 United Airlines to Ontario

Landed - On-time
Flight Status for Saturday February 14, 2026
This flight was also scheduled for Yesterday (February 13, 2026). See it here
This flight is also scheduled for Tomorrow (February 15, 2026). See it here

Airline information

United Airlines
United Airlines
Equipment: Boeing 737MAX 9 Passenger

Departure

San Francisco (SFO)
February 14, 2026
San Francisco International Airport
Departed at:
11:20 am
Terminal:
3
Gate:
E10
Scheduled Departure Time: 11:20 am

Arrival

Ontario (ONT)
February 14, 2026
Ontario International Airport
Arrived at:
12:43 pm
Terminal:
2
Gate:
202
Scheduled Arrival Time: 12:47 pm
Baggage: 1
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.airport-sfo.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:

- AC4423 - Air Canada

Additional Information

Which is the frequency of flight UA2661?
The flight UA2661 is scheduled to flight on Thursday, Friday, Saturday on a weekly basis.

Which is the distance of flight UA2661?
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 airline serve the same route between San Francisco and Ontario:
United Airlines - Flight Number: UA373. (On Time performance: 78 - Average Delay: 33 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 UA2661

Date
Departure
Arrival
Duration
Aircraft
Status
Friday
13 February
11:06 am
San Francisco (SFO)
12:26 pm
Ontario (ONT)
01h 20min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Thursday
12 February
11:10 am
San Francisco (SFO)
12:46 pm
Ontario (ONT)
01h 36min
Boeing 737MAX
Boeing 737MAX
Landed - On-time