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

DL9959 Delta Air Lines - Flight Status

Below, you can find details about Delta Air Lines flight DL9959, which currently operates between the airports of Everett - Seattle Paine Field International Airport (Airport Code PAE) and Seattle - Seattle-Tacoma International Airport (Airport Code SEA).
This flight data pertains specifically to the flight's details for Thursday, September 18, 2025.

DL9959 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

DL9959 Delta Air Lines from Everett

Scheduled - Delayed
Delay: 120 minutes
Flight Status for Thursday September 18, 2025

Airline information

Delta Air Lines
Delta Air Lines

Departure

Everett (PAE)
September 18, 2025
Seattle Paine Field International Airport
Estimated Departure Time:
07:10 pm
Terminal:
-
Gate:
-
Scheduled Departure Time: 05:05 pm

Arrival

Seattle (SEA)
September 18, 2025
Seattle-Tacoma International Airport
Estimated Arrival Time:
07:50 pm
Gate:
-
Scheduled Arrival Time: 05:50 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.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 DL9959?
The flight DL9959 is currently not scheduled at Seattle Airport - SEATAC.

Which is the distance of flight DL9959?
The distance between the two airports is 32 miles.

Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.

Alternative Flights

Delta Air Lines is the only airline operating the route from Everett to Seattle.

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

Last Past Flights DL9959

No flights for DL9959 were scheduled in the past month. The last flight took place on Thursday, September 18, 2025