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

DL1084 Delta Air Lines - Flight Status

Below, you can find details about Delta Air Lines flight DL1084, 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 Saturday, December 20, 2025.

DL1084 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

DL1084 Delta Air Lines from Dulles

Landed - On-time
Delay: 3 minutes
Flight Status for Saturday December 20, 2025
This flight is also scheduled for Tomorrow (December 21, 2025). See it here

Airline information

Delta Air Lines
Delta Air Lines
Equipment: Airbus A220-300 Passenger

Departure

Dulles (IAD)
December 20, 2025
Washington Dulles International Airport
Departed at:
07:00 am
Terminal:
B
Gate:
B76
Scheduled Departure Time: 07:05 am

Arrival

Seattle (SEA)
December 20, 2025
Seattle-Tacoma International Airport
Arrived at:
10:05 am
Gate:
A1
Scheduled Arrival Time: 10:02 am
Baggage: 4
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:

- KE3026 - Korean Air

- MU8778 - China Eastern Airlines

Additional Information

Which is the frequency of flight DL1084?
The flight DL1084 is currently not scheduled at Seattle Airport - SEATAC.

Which is the distance of flight DL1084?
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 Dulles: 2025-12-20 15:34:46
Current Time in Seattle: 2025-12-20 12:34:46

Alternative Flights

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

Alaska Airlines
- Flight Number: AS351. (On Time performance: 70 - Average Delay: 17 minutes)
- Flight Number: AS409. (On Time performance: 47 - Average Delay: 35 minutes)

Delta Air Lines
- Flight Number: DL1015. (On Time performance: 74 - Average Delay: 24 minutes)

United Airlines
- Flight Number: UA1724. (On Time performance: 81 - Average Delay: 8 minutes)
- Flight Number: UA326. (On Time performance: 81 - Average Delay: 14 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: We have gathered available data from last twelve closed months, spanning from December 20, 2024 to January 05, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Last Past Flights DL1084

No flights for DL1084 were scheduled in the past month. The last flight took place on Saturday, December 20, 2025