Informational Guide to San Diego Airport (SAN) - NON OFFICIAL

UA2391 United Airlines - Flight Status

Below, you can find details about United Airlines flight UA2391, 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 Monday, January 12, 2026.

UA2391 On Time performance:
72
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

UA2391 United Airlines from San Francisco

En Route - On-time
Flight Status for Monday January 12, 2026
This flight was also scheduled for Yesterday (January 11, 2026). See it here
This flight is also scheduled for Tomorrow (January 13, 2026). See it here

Airline information

United Airlines
United Airlines
Equipment: Boeing 737-800 (Scimitar Winglets) Passenger

Departure

San Francisco (SFO)
January 12, 2026
San Francisco International Airport
Departed at:
01:06 pm
Terminal:
3
Gate:
E4
Scheduled Departure Time: 01:13 pm

Arrival

San Diego (SAN)
January 12, 2026
San Diego International Airport
Estimated Arrival Time:
02:39 pm
Terminal:
2
Gate:
42
Scheduled Arrival Time: 02:52 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.san-diego-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:

- AC4559 - Air Canada

- NH7300 - ANA All Nippon Airways

- VA8431 - Virgin Australia

Additional Information

Which is the frequency of flight UA2391?
The flight UA2391 is scheduled to flight on daily basis.

Which is the distance of flight UA2391?
The distance between the two airports is 447 miles.

Which is the flight time of flight UA2391?
The scheduled flight time gate to gate is: 01:39 hours.
The real flight time gate to gate on average is: 01:38 hours.

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: 43 - Average Delay: 21 minutes)
- Flight Number: AS2143.
- Flight Number: AS2154. (On Time performance: 81 - Average Delay: 10 minutes)
- Flight Number: AS2455. (On Time performance: 35 - Average Delay: 42 minutes)
- Flight Number: AS2460. (On Time performance: 81 - Average Delay: 22 minutes)
- Flight Number: AS2470. (On Time performance: 88 - Average Delay: 3 minutes)
- Flight Number: AS2479. (On Time performance: 56 - Average Delay: 28 minutes)
- Flight Number: AS3306. (On Time performance: 11 - Average Delay: 122 minutes)
- Flight Number: AS3310. (On Time performance: 79 - Average Delay: 11 minutes)
- Flight Number: AS3327. (On Time performance: 64 - Average Delay: 27 minutes)
- Flight Number: AS3473. (On Time performance: 66 - Average Delay: 19 minutes)
- Flight Number: AS3479.
- Flight Number: AS3490. (On Time performance: 52 - Average Delay: 47 minutes)

Frontier Airlines
- Flight Number: F94306. (On Time performance: 67 - Average Delay: 34 minutes)

United Airlines
- Flight Number: UA1434. (On Time performance: 55 - Average Delay: 31 minutes)
- Flight Number: UA1483. (On Time performance: 74 - Average Delay: 16 minutes)
- Flight Number: UA1577.
- Flight Number: UA1712. (On Time performance: 92 - Average Delay: 6 minutes)
- Flight Number: UA2142. (On Time performance: 33 - Average Delay: 91 minutes)
- Flight Number: UA2177. (On Time performance: 49 - Average Delay: 25 minutes)
- Flight Number: UA2633. (On Time performance: 60 - Average Delay: 25 minutes)
- Flight Number: UA2861. (On Time performance: 73 - Average Delay: 19 minutes)
- Flight Number: UA5552. (On Time performance: 57 - Average Delay: 46 minutes)

Southwest Airlines
- Flight Number: WN1592.
- Flight Number: WN165. (On Time performance: 88 - Average Delay: 9 minutes)
- Flight Number: WN187. (On Time performance: 31 - Average Delay: 48 minutes)
- Flight Number: WN2632. (On Time performance: 38 - Average Delay: 41 minutes)
- Flight Number: WN3514.
- Flight Number: WN4011.
- Flight Number: WN4013.
- Flight Number: WN4241. (On Time performance: 62 - Average Delay: 22 minutes)
- Flight Number: WN4310. (On Time performance: 36 - Average Delay: 47 minutes)
- Flight Number: WN4348. (On Time performance: 73 - Average Delay: 13 minutes)
- Flight Number: WN957.
- Flight Number: WN958.

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from October 26, 2025 to January 05, 2026, we have obtained these figures.
Total number of flights: 67
On Time: 48 ( 72 % )
Moderate Delay: 4 ( 6 % )
Significant Delay: 9 ( 13 % )
Major Delay: 6 ( 9 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 19 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from October 26, 2025 to January 05, 2026. 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 May 01, 2025 to December 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.

Last Past Flights UA2391

Date
Departure
Arrival
Duration
Aircraft
Status
Sunday
11 January
01:15 pm
San Francisco (SFO)
02:47 pm
San Diego (SAN)
01h 32min
Boeing 737-800
Boeing 737-800
Landed - On-time
Saturday
10 January
01:08 pm
San Francisco (SFO)
02:35 pm
San Diego (SAN)
01h 27min
Boeing 737-800
Boeing 737-800
Landed - On-time
Friday
09 January
01:47 pm
San Francisco (SFO)
03:16 pm
San Diego (SAN)
01h 29min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Thursday
08 January
01:07 pm
San Francisco (SFO)
02:38 pm
San Diego (SAN)
01h 31min
Boeing 737-800
Boeing 737-800
Landed - On-time
Wednesday
07 January
01:09 pm
San Francisco (SFO)
02:35 pm
San Diego (SAN)
01h 26min
Boeing 737-800
Boeing 737-800
Landed - On-time
Tuesday
06 January
01:06 pm
San Francisco (SFO)
02:45 pm
San Diego (SAN)
01h 39min
Boeing 737-800
Boeing 737-800
Landed - On-time
Monday
05 January
02:29 pm
San Francisco (SFO)
03:56 pm
San Diego (SAN)
01h 27min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Sunday
04 January
01:31 pm
San Francisco (SFO)
03:26 pm
San Diego (SAN)
01h 55min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Saturday
03 January
02:19 pm
San Francisco (SFO)
03:42 pm
San Diego (SAN)
01h 23min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Friday
02 January
01:20 pm
San Francisco (SFO)
02:53 pm
San Diego (SAN)
01h 33min
Boeing 737-800
Boeing 737-800
Landed - On-time