UA2142 United Airlines - Flight Status
Below, you can find details about United Airlines flight UA2142, which currently operates between the airports of San Francisco - San Francisco International Airport (Airport Code SFO) and San Diego - San Diego International Airport (Airport Code SAN).
This flight data pertains specifically to the flight's details for Friday, December 26, 2025.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA2142
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA2142
UA2142 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
UA2142 United Airlines to San Diego
Scheduled - On-time
Flight Status for Friday December 26, 2025
This flight was also scheduled for Yesterday (December 25, 2025). See it here
This flight is also scheduled for Tomorrow (December 27, 2025). See it here
Scheduled - On-time
Flight Status for Friday December 26, 2025
Departure
San Francisco (SFO)
December 26, 2025
San Francisco International Airport
Estimated Departure Time:
10:45 pm
Terminal:
2
Gate:
D15
Scheduled Departure Time: 10:45 pm
Arrival
San Diego (SAN)
December 27, 2025
San Diego International Airport
Estimated Arrival Time:
12:15 am
Terminal:
2
Gate:
41
Scheduled Arrival Time: 12:15 am
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:
- AC4292 - Air Canada
- LH9372 - Lufthansa
- VA8426 - Virgin Australia
Additional Information
Which is the frequency of flight UA2142?
The flight UA2142 is scheduled to flight on daily basis.
Which is the distance of flight UA2142?
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 UA2142 is scheduled to flight on daily basis.
Which is the distance of flight UA2142?
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 Francisco and San Diego:
Alaska Airlines
- Flight Number: AS1308. (On Time performance: 87 - Average Delay: 9 minutes)
- Flight Number: AS2058. (On Time performance: 64 - Average Delay: 9 minutes)
- Flight Number: AS2154.
- Flight Number: AS2428. (On Time performance: 65 - Average Delay: 26 minutes)
- Flight Number: AS2429. (On Time performance: 90 - Average Delay: 8 minutes)
- Flight Number: AS2455.
- Flight Number: AS2460.
- Flight Number: AS2470. (On Time performance: 88 - Average Delay: 3 minutes)
- Flight Number: AS2479. (On Time performance: 56 - Average Delay: 28 minutes)
- Flight Number: AS2490. (On Time performance: 67 - Average Delay: 25 minutes)
- Flight Number: AS3306.
- Flight Number: AS3310. (On Time performance: 75 - Average Delay: 12 minutes)
- Flight Number: AS3326. (On Time performance: 75 - Average Delay: 15 minutes)
- Flight Number: AS3327. (On Time performance: 64 - Average Delay: 27 minutes)
- Flight Number: AS3452. (On Time performance: 63 - Average Delay: 20 minutes)
- Flight Number: AS3473. (On Time performance: 57 - Average Delay: 23 minutes)
- Flight Number: AS3490. (On Time performance: 63 - Average Delay: 38 minutes)
- Flight Number: AS571. (On Time performance: 89 - Average Delay: 15 minutes)
Frontier Airlines
- Flight Number: F94306. (On Time performance: 76 - Average Delay: 23 minutes)
United Airlines
- Flight Number: UA1434. (On Time performance: 67 - Average Delay: 17 minutes)
- Flight Number: UA1483. (On Time performance: 75 - Average Delay: 16 minutes)
- Flight Number: UA1712. (On Time performance: 94 - Average Delay: 4 minutes)
- Flight Number: UA1799. (On Time performance: 78 - Average Delay: 12 minutes)
- Flight Number: UA2177. (On Time performance: 49 - Average Delay: 21 minutes)
- Flight Number: UA2391. (On Time performance: 88 - Average Delay: 6 minutes)
- Flight Number: UA2633. (On Time performance: 81 - Average Delay: 8 minutes)
- Flight Number: UA2861. (On Time performance: 76 - Average Delay: 16 minutes)
Southwest Airlines
- Flight Number: WN165. (On Time performance: 89 - Average Delay: 9 minutes)
- Flight Number: WN187. (On Time performance: 42 - Average Delay: 32 minutes)
- Flight Number: WN2336. (On Time performance: 45 - Average Delay: 33 minutes)
- Flight Number: WN2350. (On Time performance: 80 - Average Delay: 13 minutes)
- Flight Number: WN2355. (On Time performance: 65 - Average Delay: 28 minutes)
- Flight Number: WN2413. (On Time performance: 31 - Average Delay: 40 minutes)
- Flight Number: WN2447. (On Time performance: 71 - Average Delay: 37 minutes)
- Flight Number: WN2472. (On Time performance: 21 - Average Delay: 55 minutes)
- Flight Number: WN2632. (On Time performance: 54 - Average Delay: 22 minutes)
- Flight Number: WN4241.
- Flight Number: WN4310. (On Time performance: 47 - Average Delay: 28 minutes)
- Flight Number: WN4348. (On Time performance: 100 - Average Delay: 2 minutes)
Alaska Airlines
- Flight Number: AS1308. (On Time performance: 87 - Average Delay: 9 minutes)
- Flight Number: AS2058. (On Time performance: 64 - Average Delay: 9 minutes)
- Flight Number: AS2154.
- Flight Number: AS2428. (On Time performance: 65 - Average Delay: 26 minutes)
- Flight Number: AS2429. (On Time performance: 90 - Average Delay: 8 minutes)
- Flight Number: AS2455.
- Flight Number: AS2460.
- Flight Number: AS2470. (On Time performance: 88 - Average Delay: 3 minutes)
- Flight Number: AS2479. (On Time performance: 56 - Average Delay: 28 minutes)
- Flight Number: AS2490. (On Time performance: 67 - Average Delay: 25 minutes)
- Flight Number: AS3306.
- Flight Number: AS3310. (On Time performance: 75 - Average Delay: 12 minutes)
- Flight Number: AS3326. (On Time performance: 75 - Average Delay: 15 minutes)
- Flight Number: AS3327. (On Time performance: 64 - Average Delay: 27 minutes)
- Flight Number: AS3452. (On Time performance: 63 - Average Delay: 20 minutes)
- Flight Number: AS3473. (On Time performance: 57 - Average Delay: 23 minutes)
- Flight Number: AS3490. (On Time performance: 63 - Average Delay: 38 minutes)
- Flight Number: AS571. (On Time performance: 89 - Average Delay: 15 minutes)
Frontier Airlines
- Flight Number: F94306. (On Time performance: 76 - Average Delay: 23 minutes)
United Airlines
- Flight Number: UA1434. (On Time performance: 67 - Average Delay: 17 minutes)
- Flight Number: UA1483. (On Time performance: 75 - Average Delay: 16 minutes)
- Flight Number: UA1712. (On Time performance: 94 - Average Delay: 4 minutes)
- Flight Number: UA1799. (On Time performance: 78 - Average Delay: 12 minutes)
- Flight Number: UA2177. (On Time performance: 49 - Average Delay: 21 minutes)
- Flight Number: UA2391. (On Time performance: 88 - Average Delay: 6 minutes)
- Flight Number: UA2633. (On Time performance: 81 - Average Delay: 8 minutes)
- Flight Number: UA2861. (On Time performance: 76 - Average Delay: 16 minutes)
Southwest Airlines
- Flight Number: WN165. (On Time performance: 89 - Average Delay: 9 minutes)
- Flight Number: WN187. (On Time performance: 42 - Average Delay: 32 minutes)
- Flight Number: WN2336. (On Time performance: 45 - Average Delay: 33 minutes)
- Flight Number: WN2350. (On Time performance: 80 - Average Delay: 13 minutes)
- Flight Number: WN2355. (On Time performance: 65 - Average Delay: 28 minutes)
- Flight Number: WN2413. (On Time performance: 31 - Average Delay: 40 minutes)
- Flight Number: WN2447. (On Time performance: 71 - Average Delay: 37 minutes)
- Flight Number: WN2472. (On Time performance: 21 - Average Delay: 55 minutes)
- Flight Number: WN2632. (On Time performance: 54 - Average Delay: 22 minutes)
- Flight Number: WN4241.
- Flight Number: WN4310. (On Time performance: 47 - Average Delay: 28 minutes)
- Flight Number: WN4348. (On Time performance: 100 - Average Delay: 2 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 Weekday: We have gathered available data from last six months, spanning from June 26, 2025 to July 31, 2025. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.
Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from June 26, 2025 to July 31, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.
Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from June 26, 2025 to July 31, 2025. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.
Last Past Flights UA2142
Date
Departure
Arrival
Duration
Aircraft
Status
Friday
26 December
26 December
12:06 am
San Francisco (SFO)
San Francisco (SFO)
02:02 am
San Diego (SAN)
San Diego (SAN)
01h 56min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Thursday
25 December
25 December
11:02 pm
San Francisco (SFO)
San Francisco (SFO)
12:39 am
San Diego (SAN)
San Diego (SAN)
01h 37min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Wednesday
24 December
24 December
12:08 am
San Francisco (SFO)
San Francisco (SFO)
02:05 am
San Diego (SAN)
San Diego (SAN)
01h 57min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Tuesday
23 December
23 December
11:31 pm
San Francisco (SFO)
San Francisco (SFO)
01:06 am
San Diego (SAN)
San Diego (SAN)
01h 35min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Monday
22 December
22 December
02:41 am
San Francisco (SFO)
San Francisco (SFO)
04:07 am
San Diego (SAN)
San Diego (SAN)
01h 26min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Sunday
21 December
21 December
10:45 pm
San Francisco (SFO)
San Francisco (SFO)
12:17 am
San Diego (SAN)
San Diego (SAN)
01h 32min
Boeing 737-800
Boeing 737-800
Landed - On-time
Saturday
20 December
20 December
11:59 pm
San Francisco (SFO)
San Francisco (SFO)
01:31 am
San Diego (SAN)
San Diego (SAN)
01h 32min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Friday
19 December
19 December
05:54 am
San Francisco (SFO)
San Francisco (SFO)
07:44 am
San Diego (SAN)
San Diego (SAN)
01h 50min
Boeing 737-800
Boeing 737-800
Landed - Delayed
