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

UA2729 United Airlines - Flight Status

Below, you can find details about United Airlines flight UA2729, 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, August 18, 2025.

UA2729 On Time performance:
59
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

UA2729 United Airlines from Dulles

We only provide flight information for yesterday, today and tomorrow. This flight is not scheduled for this interval of time.

Airline information

United Airlines
United Airlines

Departure

Dulles (IAD)
August 18, 2025
Washington Dulles International Airport

Arrival

Seattle (SEA)
August 18, 2025
Seattle-Tacoma International Airport
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.

Additional Information

Which is the frequency of flight UA2729?
The flight UA2729 is scheduled to flight on daily basis.

Which is the distance of flight UA2729?
The distance between the two airports is 2300 miles.

Which is the flight time of flight UA2729?
The scheduled flight time gate to gate is: 05:50 hours.
The real flight time gate to gate on average is: 05:49 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: 2025-08-20 20:56:09
Current Time in Seattle: 2025-08-20 17:56:09

Alternative Flights

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

Alaska Airlines
- Flight Number: AS351. (On Time performance: 86 - Average Delay: 6 minutes)
- Flight Number: AS375. (On Time performance: 66 - Average Delay: 25 minutes)
- Flight Number: AS406. (On Time performance: 42 - Average Delay: 49 minutes)

Delta Air Lines
- Flight Number: DL1015. (On Time performance: 86 - Average Delay: 19 minutes)

United Airlines
- Flight Number: UA1395. (On Time performance: 92 - Average Delay: 9 minutes)
- Flight Number: UA1734. (On Time performance: 83 - Average Delay: 7 minutes)
- Flight Number: UA326. (On Time performance: 56 - Average Delay: 38 minutes)
- Flight Number: UA716. (On Time performance: 67 - Average Delay: 26 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 August 01, 2025 to August 17, 2025, we have obtained these figures.
Total number of flights: 17
On Time: 10 ( 59 % )
Moderate Delay: 3 ( 18 % )
Significant Delay: 2 ( 12 % )
Major Delay: 1 ( 6 % )
Canceled: 0 ( 0 % )
Diverted: 1 ( 6 % )

Average Delay: 25 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 UA2729

Date
Departure
Arrival
Duration
Aircraft
Status
Monday
18 August
08:53 am
Dulles (IAD)
11:27 am
Seattle (SEA)
05h 34min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Sunday
17 August
08:50 am
Dulles (IAD)
11:13 am
Seattle (SEA)
05h 23min
Boeing 737-900
Boeing 737-900
Landed - On-time
Saturday
16 August
08:49 am
Dulles (IAD)
11:45 am
Seattle (SEA)
05h 56min
Boeing 737-700
Boeing 737-700
Landed - On-time
Friday
15 August
08:53 am
Dulles (IAD)
11:24 am
Seattle (SEA)
05h 31min
Boeing 737-800
Boeing 737-800
Landed - On-time
Thursday
14 August
08:52 am
Dulles (IAD)
12:16 pm
Seattle (SEA)
06h 24min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Wednesday
13 August
09:57 am
()
12:27 pm
Seattle (SEA)
Boeing 737-800
Boeing 737-800
Landed - DIVERTED
Wednesday
13 August
09:00 am
Dulles (IAD)
01:52 pm
Dulles (IAD)
Boeing 737-800
Boeing 737-800
- DIVERTED
Tuesday
12 August
09:00 am
Dulles (IAD)
12:11 pm
Seattle (SEA)
Boeing 737-800
Boeing 737-800
Landed - Delayed
Monday
11 August
08:54 am
Dulles (IAD)
11:26 am
Seattle (SEA)
Boeing 737-800
Boeing 737-800
Landed - On-time
Sunday
10 August
09:05 am
Dulles (IAD)
11:38 am
Seattle (SEA)
Boeing 737-900
Boeing 737-900
Landed - On-time