UA1721 United Airlines - Flight Status
Warning
This flight has been diverted and landed in a different airport than scheduled. Contact airline to obtain more information. This was the original destination:
Kailua-Kona (KOA) - Ellison Onizuka Kona Intl Airport at Keahole
There is more than one flight with the same flight number on the same day. This is the other flight:
UA1721 San Francisco (SFO) to Kailua-Kona (KOA) Departure: 11:49 am Arrival: 03:15 pm Check flight
Below, you can find details about United Airlines flight UA1721, which currently operates between the airports of San Francisco - San Francisco International Airport (Airport Code SFO) and San Francisco - San Francisco International Airport (Airport Code SFO).
This flight data pertains specifically to the flight's details for Friday, February 20, 2026.
UA1721 On Time performance:
90
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays Flight Status
UA1721 United Airlines from San Francisco
Scheduled - Delayed
Delay: 71 minutes
Flight Status for Friday February 20, 2026
Scheduled - Delayed
Delay: 71 minutes
Flight Status for Friday February 20, 2026
Airline information
United Airlines
Equipment: Boeing 757-300 (winglets) Passenger
Departure
San Francisco (SFO)
February 20, 2026
San Francisco International Airport
Estimated Departure Time:
09:05 am
Terminal:
3
Gate:
F21
Scheduled Departure Time: 09:05 am
Arrival
San Francisco (SFO)
February 20, 2026
San Francisco International Airport
Estimated Arrival Time:
02:10 pm
Gate:
F21
Scheduled Arrival Time: 12:59 pm
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.kona-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:
- AC3529 - Air Canada
- AZ4487 - ITA Airways