Informational Guide to Seattle–Tacoma Airport - Seatac (SEA) - NON OFFICIAL

UA1724 United Airlines - Flight Status

Codeshare Flights
The flight LH7484 from Lufthansa (LH) is a codeshare flight operated by United Airlines (UA) under the flight number UA1724. Check this page for details about flight UA1724.

Below, you can find details about United Airlines flight UA1724, which currently operates between the airports of Dulles - Washington Dulles International Airport (Airport Code IAD) and Seattle - Seattle-Tacoma International Airport (Airport Code SEA).
This flight data pertains specifically to the flight's details for Monday, December 15, 2025.

UA1724 On Time performance:
82
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

UA1724 United Airlines from Dulles

Scheduled - On-time
Flight Status for Monday December 15, 2025
This flight was also scheduled for Yesterday (December 14, 2025). See it here
This flight is also scheduled for Tomorrow (December 16, 2025). See it here

Airline information

United Airlines
United Airlines
Equipment: Boeing 737MAX 9 Passenger

Departure

Dulles (IAD)
December 15, 2025
Washington Dulles International Airport
Estimated Departure Time:
05:55 pm
Terminal:
-
Gate:
D20
Scheduled Departure Time: 05:55 pm

Arrival

Seattle (SEA)
December 15, 2025
Seattle-Tacoma International Airport
Estimated Arrival Time:
08:54 pm
Gate:
B7A
Scheduled Arrival Time: 08:54 pm
Baggage: 9
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:

- AV2028 - Avianca

- CM2766 - Copa Airlines

- ET1368 - Ethiopian Airlines

- LH7484 - Lufthansa

- OS7907 - Austrian

- SN8849 - Brussels Airlines

Additional Information

Which is the frequency of flight UA1724?
The flight UA1724 is scheduled to flight on daily basis.

Which is the distance of flight UA1724?
The distance between the two airports is 2300 miles.

Which is the flight time of flight UA1724?
The scheduled flight time gate to gate is: 05:59 hours.
The real flight time gate to gate on average is: 06:06 hours.

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 Dulles: 2025-12-15 14:04:33
Current Time in Seattle: 2025-12-15 11:04:33

Alternative Flights

The following airlines serves the same route between Dulles and Seattle:

Alaska Airlines
- Flight Number: AS351. (On Time performance: 74 - Average Delay: 16 minutes)
- Flight Number: AS409. (On Time performance: 46 - Average Delay: 35 minutes)

Delta Air Lines
- Flight Number: DL1015. (On Time performance: 77 - Average Delay: 22 minutes)

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 December 02, 2025 to December 12, 2025, we have obtained these figures.
Total number of flights: 11
On Time: 9 ( 82 % )
Moderate Delay: 2 ( 18 % )
Significant Delay: 0 ( 0 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 7 minutes.
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 UA1724

Date
Departure
Arrival
Duration
Aircraft
Status
Sunday
14 December
06:10 pm
Dulles (IAD)
08:56 pm
Seattle (SEA)
05h 46min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Saturday
13 December
06:25 pm
Dulles (IAD)
09:05 pm
Seattle (SEA)
05h 40min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Friday
12 December
05:54 pm
Dulles (IAD)
09:06 pm
Seattle (SEA)
06h 12min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Thursday
11 December
05:54 pm
Dulles (IAD)
09:00 pm
Seattle (SEA)
06h 06min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Wednesday
10 December
05:52 pm
Dulles (IAD)
08:53 pm
Seattle (SEA)
06h 01min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Tuesday
09 December
05:54 pm
Dulles (IAD)
09:20 pm
Seattle (SEA)
06h 26min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Monday
08 December
05:50 pm
Dulles (IAD)
09:10 pm
Seattle (SEA)
06h 20min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Sunday
07 December
05:54 pm
Dulles (IAD)
08:48 pm
Seattle (SEA)
05h 54min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Saturday
06 December
05:50 pm
Dulles (IAD)
08:40 pm
Seattle (SEA)
05h 50min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Friday
05 December
05:50 pm
Dulles (IAD)
09:08 pm
Seattle (SEA)
06h 18min
Boeing 737MAX
Boeing 737MAX
Landed - On-time