UA2131 United Airlines - Flight Status
Below, you can find details about United Airlines flight UA2131, which currently operates between the airports of San Diego - San Diego International Airport (Airport Code SAN) and Dulles - Washington Dulles International Airport (Airport Code IAD).
This flight data pertains specifically to the flight's details for Sunday, December 21, 2025.
Table of contents:
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights UA2131
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights UA2131
UA2131 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
UA2131 United Airlines to Dulles
En Route - On-time
Flight Status for Sunday December 21, 2025
This flight was also scheduled for Yesterday (December 20, 2025). See it here
This flight is also scheduled for Tomorrow (December 22, 2025). See it here
En Route - On-time
Flight Status for Sunday December 21, 2025
Airline information
United Airlines
Equipment: Boeing 737MAX 9 Passenger
Departure
San Diego (SAN)
December 21, 2025
San Diego International Airport
Departed at:
12:51 pm
Terminal:
2
Gate:
40
Scheduled Departure Time: 12:56 pm
Arrival
Dulles (IAD)
December 21, 2025
Washington Dulles International Airport
Estimated Arrival Time:
08:30 pm
Terminal:
-
Gate:
D9
Scheduled Arrival Time: 08:52 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.
Additional Information
Which is the frequency of flight UA2131?
The flight UA2131 is scheduled to flight on Thursday, Friday, Saturday, Sunday on a weekly basis.
Which is the distance of flight UA2131?
The distance between the two airports is 2250 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 Diego: 2025-12-21 17:22:12
Current Time in Dulles: 2025-12-21 20:22:12
The flight UA2131 is scheduled to flight on Thursday, Friday, Saturday, Sunday on a weekly basis.
Which is the distance of flight UA2131?
The distance between the two airports is 2250 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 Diego: 2025-12-21 17:22:12
Current Time in Dulles: 2025-12-21 20:22:12
Alternative Flights
The following airlines serves the same route between San Diego and Dulles:
Alaska Airlines
- Flight Number: AS322. (On Time performance: 87 - Average Delay: 8 minutes)
- Flight Number: AS506.
United Airlines
- Flight Number: UA1071. (On Time performance: 91 - Average Delay: -5 minutes)
- Flight Number: UA2129. (On Time performance: 91 - Average Delay: 13 minutes)
- Flight Number: UA755. (On Time performance: 91 - Average Delay: 2 minutes)
Alaska Airlines
- Flight Number: AS322. (On Time performance: 87 - Average Delay: 8 minutes)
- Flight Number: AS506.
United Airlines
- Flight Number: UA1071. (On Time performance: 91 - Average Delay: -5 minutes)
- Flight Number: UA2129. (On Time performance: 91 - Average Delay: 13 minutes)
- Flight Number: UA755. (On Time performance: 91 - 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 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 UA2131
Date
Departure
Arrival
Duration
Aircraft
Status
Saturday
20 December
20 December
12:59 pm
San Diego (SAN)
San Diego (SAN)
08:25 pm
Dulles (IAD)
Dulles (IAD)
04h 26min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Friday
19 December
19 December
12:54 pm
San Diego (SAN)
San Diego (SAN)
08:26 pm
Dulles (IAD)
Dulles (IAD)
04h 32min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Thursday
18 December
18 December
12:51 pm
San Diego (SAN)
San Diego (SAN)
08:44 pm
Dulles (IAD)
Dulles (IAD)
04h 53min
Boeing 737-800
Boeing 737-800
Landed - On-time