UA1721 United Airlines - Flight Status
Below, you can find details about United Airlines flight UA1721, which currently operates between the airports of San Diego - San Diego International Airport (Airport Code SAN) and San Francisco - San Francisco International Airport (Airport Code SFO).
This flight data pertains specifically to the flight's details for Thursday, February 12, 2026.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA1721
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA1721
UA1721 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
UA1721 United Airlines from San Diego
Landed - On-time
Flight Status for Thursday February 12, 2026
This flight is also scheduled for Tomorrow (February 13, 2026). See it here
Landed - On-time
Flight Status for Thursday February 12, 2026
Airline information
United Airlines
Equipment: Boeing 737MAX 8 Passenger
Departure
San Diego (SAN)
February 12, 2026
San Diego International Airport
Departed at:
06:09 am
Terminal:
2
Gate:
43
Scheduled Departure Time: 06:15 am
Arrival
San Francisco (SFO)
February 12, 2026
San Francisco International Airport
Arrived at:
07:42 am
Terminal:
3
Gate:
E10
Scheduled Arrival Time: 08:05 am
Baggage: 8
Disclaimer
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Codeshare Flights
This flight is shared with other airlines, this means that these other flights are the same:
- AC5312 - Air Canada
- NH7301 - ANA All Nippon Airways
- VA8433 - Virgin Australia
Additional Information
Which is the frequency of flight UA1721?
The flight UA1721 is scheduled to flight on daily basis.
Which is the distance of flight UA1721?
The distance between the two airports is 447 miles.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
The flight UA1721 is scheduled to flight on daily basis.
Which is the distance of flight UA1721?
The distance between the two airports is 447 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 Diego and San Francisco:
Alaska Airlines
- Flight Number: AS2104. (On Time performance: 100 - Average Delay: 1 minutes)
- Flight Number: AS2182. (On Time performance: 89 - Average Delay: 3 minutes)
- Flight Number: AS2466. (On Time performance: 80 - Average Delay: 7 minutes)
- Flight Number: AS2480. (On Time performance: 69 - Average Delay: 20 minutes)
- Flight Number: AS3072. (On Time performance: 80 - Average Delay: 11 minutes)
- Flight Number: AS322. (On Time performance: 91 - Average Delay: 5 minutes)
- Flight Number: AS3347. (On Time performance: 72 - Average Delay: 29 minutes)
- Flight Number: AS3352. (On Time performance: 95 - Average Delay: 7 minutes)
- Flight Number: AS3463. (On Time performance: 87 - Average Delay: 8 minutes)
- Flight Number: AS3482. (On Time performance: 72 - Average Delay: 25 minutes)
United Airlines
- Flight Number: UA1763. (On Time performance: 95 - Average Delay: 3 minutes)
- Flight Number: UA2038. (On Time performance: 70 - Average Delay: 33 minutes)
- Flight Number: UA2076. (On Time performance: 94 - Average Delay: 4 minutes)
- Flight Number: UA2117. (On Time performance: 80 - Average Delay: 18 minutes)
- Flight Number: UA2309. (On Time performance: 100 - Average Delay: 1 minutes)
- Flight Number: UA285. (On Time performance: 85 - Average Delay: 10 minutes)
- Flight Number: UA2863. (On Time performance: 67 - Average Delay: 14 minutes)
Southwest Airlines
- Flight Number: WN1021. (On Time performance: 88 - Average Delay: 6 minutes)
- Flight Number: WN1438. (On Time performance: 94 - Average Delay: 2 minutes)
- Flight Number: WN3421. (On Time performance: 76 - Average Delay: 139 minutes)
- Flight Number: WN4003. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: WN4005. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: WN4007. (On Time performance: 88 - Average Delay: 3 minutes)
- Flight Number: WN4010. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: WN4012. (On Time performance: 81 - Average Delay: 9 minutes)
- Flight Number: WN956. (On Time performance: 93 - Average Delay: 10 minutes)
Alaska Airlines
- Flight Number: AS2104. (On Time performance: 100 - Average Delay: 1 minutes)
- Flight Number: AS2182. (On Time performance: 89 - Average Delay: 3 minutes)
- Flight Number: AS2466. (On Time performance: 80 - Average Delay: 7 minutes)
- Flight Number: AS2480. (On Time performance: 69 - Average Delay: 20 minutes)
- Flight Number: AS3072. (On Time performance: 80 - Average Delay: 11 minutes)
- Flight Number: AS322. (On Time performance: 91 - Average Delay: 5 minutes)
- Flight Number: AS3347. (On Time performance: 72 - Average Delay: 29 minutes)
- Flight Number: AS3352. (On Time performance: 95 - Average Delay: 7 minutes)
- Flight Number: AS3463. (On Time performance: 87 - Average Delay: 8 minutes)
- Flight Number: AS3482. (On Time performance: 72 - Average Delay: 25 minutes)
United Airlines
- Flight Number: UA1763. (On Time performance: 95 - Average Delay: 3 minutes)
- Flight Number: UA2038. (On Time performance: 70 - Average Delay: 33 minutes)
- Flight Number: UA2076. (On Time performance: 94 - Average Delay: 4 minutes)
- Flight Number: UA2117. (On Time performance: 80 - Average Delay: 18 minutes)
- Flight Number: UA2309. (On Time performance: 100 - Average Delay: 1 minutes)
- Flight Number: UA285. (On Time performance: 85 - Average Delay: 10 minutes)
- Flight Number: UA2863. (On Time performance: 67 - Average Delay: 14 minutes)
Southwest Airlines
- Flight Number: WN1021. (On Time performance: 88 - Average Delay: 6 minutes)
- Flight Number: WN1438. (On Time performance: 94 - Average Delay: 2 minutes)
- Flight Number: WN3421. (On Time performance: 76 - Average Delay: 139 minutes)
- Flight Number: WN4003. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: WN4005. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: WN4007. (On Time performance: 88 - Average Delay: 3 minutes)
- Flight Number: WN4010. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: WN4012. (On Time performance: 81 - Average Delay: 9 minutes)
- Flight Number: WN956. (On Time performance: 93 - Average Delay: 10 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 UA1721
No flights for UA1721 were scheduled in the past month. The last flight took place on Thursday, February 12, 2026