UA1523 United Airlines - Flight Status
Below, you can find details about United Airlines flight UA1523, which currently operates between the airports of Seattle - Seattle-Tacoma International Airport (Airport Code SEA) and Dulles - Washington Dulles International Airport (Airport Code IAD).
This flight data pertains specifically to the flight's details for Tuesday, August 11, 2026.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA1523
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA1523
UA1523 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
UA1523 United Airlines to Dulles
Scheduled - On-time
Delay: 14 minutes
Flight Status for Tuesday August 11, 2026
This flight is also scheduled for Tomorrow (August 12, 2026). See it here
Scheduled - On-time
Delay: 14 minutes
Flight Status for Tuesday August 11, 2026
Airline information
United Airlines
Equipment: Boeing 737MAX 9 Passenger
Departure
Seattle (SEA)
August 11, 2026
Seattle-Tacoma International Airport
Estimated Departure Time:
08:19 am
Gate:
B15
Scheduled Departure Time: 08:10 am
Arrival
Dulles (IAD)
August 11, 2026
Washington Dulles International Airport
Estimated Arrival Time:
04:30 pm
Terminal:
-
Gate:
D14
Scheduled Arrival Time: 04:16 pm
Baggage: 3
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.seattle-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:
- AV2029 - Avianca
- LH7485 - Lufthansa
- OS7908 - Austrian
- SN8850 - Brussels Airlines
Additional Information
Which is the frequency of flight UA1523?
The flight UA1523 is currently not scheduled at Seattle Airport - SEATAC.
Which is the distance of flight UA1523?
The distance between the two airports is 2300 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 Seattle: 2026-08-11 04:05:48
Current Time in Dulles: 2026-08-11 07:05:48
The flight UA1523 is currently not scheduled at Seattle Airport - SEATAC.
Which is the distance of flight UA1523?
The distance between the two airports is 2300 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 Seattle: 2026-08-11 04:05:48
Current Time in Dulles: 2026-08-11 07:05:48
Alternative Flights
The following airlines serves the same route between Seattle and Dulles:
Alaska Airlines
- Flight Number: AS367. (On Time performance: 76 - Average Delay: 10 minutes)
- Flight Number: AS406. (On Time performance: 84 - Average Delay: 8 minutes)
- Flight Number: AS737. (On Time performance: 83 - Average Delay: 7 minutes)
Delta Air Lines
- Flight Number: DL541. (On Time performance: 75 - Average Delay: 13 minutes)
United Airlines
- Flight Number: UA2131. (On Time performance: 91 - Average Delay: 2 minutes)
- Flight Number: UA2463. (On Time performance: 93 - Average Delay: 4 minutes)
- Flight Number: UA264. (On Time performance: 89 - Average Delay: 24 minutes)
Alaska Airlines
- Flight Number: AS367. (On Time performance: 76 - Average Delay: 10 minutes)
- Flight Number: AS406. (On Time performance: 84 - Average Delay: 8 minutes)
- Flight Number: AS737. (On Time performance: 83 - Average Delay: 7 minutes)
Delta Air Lines
- Flight Number: DL541. (On Time performance: 75 - Average Delay: 13 minutes)
United Airlines
- Flight Number: UA2131. (On Time performance: 91 - Average Delay: 2 minutes)
- Flight Number: UA2463. (On Time performance: 93 - Average Delay: 4 minutes)
- Flight Number: UA264. (On Time performance: 89 - Average Delay: 24 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 UA1523
No flights for UA1523 were scheduled in the past month. The last flight took place on Tuesday, August 11, 2026