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

UA5381 United Airlines - Flight Status

Below, you can find details about United Airlines flight UA5381, which currently operates between the airports of San Francisco - San Francisco International Airport (Airport Code SFO) and San Antonio - San Antonio International Airport (Airport Code SAT).
This flight data pertains specifically to the flight's details for Sunday, May 03, 2026.

UA5381 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

UA5381 United Airlines to San Antonio

Scheduled - On-time
Flight Status for Sunday May 03, 2026
This flight was also scheduled for Yesterday (May 01, 2026). See it here
This flight is also scheduled for Today (May 02, 2026). See it here

Airline information

United Airlines
United Airlines
Equipment: Embraer 175 (Enhanced Winglets)

Departure

San Francisco (SFO)
May 03, 2026
San Francisco International Airport
Estimated Departure Time:
08:45 am
Terminal:
3
Gate:
E2
Scheduled Departure Time: 08:45 am

Arrival

San Antonio (SAT)
May 03, 2026
San Antonio International Airport
Estimated Arrival Time:
02:31 pm
Terminal:
B
Gate:
-
Scheduled Arrival Time: 02:31 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.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:

- AC4200 - Air Canada

- NZ2373 - Air New Zealand

Additional Information

Which is the frequency of flight UA5381?
The flight UA5381 is scheduled to flight on Thursday, Friday, Saturday on a weekly basis.

Which is the distance of flight UA5381?
The distance between the two airports is 1481 miles.

Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in San Francisco: 2026-05-02 00:47:19
Current Time in San Antonio: 2026-05-02 02:47:19

Alternative Flights

The following airline serve the same route between San Francisco and San Antonio:
United Airlines - Flight Number: UA5417. (On Time performance: 71 - Average Delay: 27 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 January 07, 2026 to February 11, 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 June 26, 2025 to February 11, 2026. 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.

Last Past Flights UA5381

Date
Departure
Arrival
Duration
Aircraft
Status
Friday
01 May
08:38 am
San Francisco (SFO)
02:27 pm
San Antonio (SAT)
03h 49min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Thursday
30 April
08:37 am
San Francisco (SFO)
02:43 pm
San Antonio (SAT)
04h 06min
Embraer 175 (E
Embraer 175 (E
Landed - On-time