Airport Tips & Quick Reference Guide to Seattle–Tacoma Airport - Seatac (SEA)

DL9964 Delta Air Lines - Flight Status

Below, you can find details about Delta Air Lines flight DL9964, which currently operates between the airports of Atlanta - Atlanta Hartsfield-Jackson International Airport (Airport Code ATL) and Seattle - Seattle-Tacoma International Airport (Airport Code SEA).
This flight data pertains specifically to the flight's details for Thursday, August 27, 2026.

DL9964 On Time performance:
50
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

DL9964 Delta Air Lines from Atlanta

En Route - Delayed
Delay: 165 minutes
Flight Status for Thursday August 27, 2026

Airline information

Delta Air Lines
Delta Air Lines
Equipment: Airbus A330-300

Departure

Atlanta (ATL)
August 27, 2026
Atlanta Hartsfield-Jackson International Airport
Departed at:
08:54 pm
Terminal:
-
Gate:
-
Scheduled Departure Time: 07:29 pm

Arrival

Seattle (SEA)
August 27, 2026
Seattle-Tacoma International Airport
Estimated Arrival Time:
11:10 pm
Gate:
-
Scheduled Arrival Time: 08:25 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 DL9964?
The flight DL9964 is currently not scheduled at Seattle Airport - SEATAC.

Which is the distance of flight DL9964?
The distance between the two airports is 2177 miles.

Which is the flight time of flight DL9964?
The scheduled flight time gate to gate is: 03:56 hours.
The real flight time gate to gate on average is: 04:22 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 Atlanta: 2026-08-27 22:01:16
Current Time in Seattle: 2026-08-27 19:01:16

Alternative Flights

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

Alaska Airlines
- Flight Number: AS218. (On Time performance: 64 - Average Delay: 24 minutes)
- Flight Number: AS348. (On Time performance: 84 - Average Delay: 5 minutes)
- Flight Number: AS377. (On Time performance: 92 - Average Delay: 5 minutes)

Delta Air Lines
- Flight Number: DL444. (On Time performance: 72 - Average Delay: 19 minutes)
- Flight Number: DL472. (On Time performance: 63 - Average Delay: 25 minutes)
- Flight Number: DL481. (On Time performance: 75 - Average Delay: 16 minutes)
- Flight Number: DL629. (On Time performance: 86 - Average Delay: 7 minutes)
- Flight Number: DL648. (On Time performance: 72 - Average Delay: 24 minutes)
- Flight Number: DL714. (On Time performance: 41 - Average Delay: 58 minutes)
- Flight Number: DL774. (On Time performance: 88 - Average Delay: 6 minutes)
- Flight Number: DL903. (On Time performance: 71 - Average Delay: 24 minutes)

Korean Air
- Flight Number: KE261. (On Time performance: 62 - Average Delay: 8 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 June 13, 2026 to August 07, 2026, we have obtained these figures.
Total number of flights: 6
On Time: 3 ( 50 % )
Moderate Delay: 0 ( 0 % )
Significant Delay: 2 ( 33 % )
Major Delay: 1 ( 17 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 42 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 DL9964

Date
Departure
Arrival
Duration
Aircraft
Status
Friday
07 August
07:09 pm
Everett (PAE)
07:45 pm
Seattle (SEA)
03h 36min
Boeing 737-900
Boeing 737-900
Landed - On-time
Wednesday
05 August
07:43 pm
Atlanta (ATL)
09:52 pm
Seattle (SEA)
05h 09min
Airbus A330-30
Airbus A330-30
Landed - Delayed
Friday
31 July
08:06 am
Minneapolis (MSP)
09:49 am
Seattle (SEA)
04h 43min
Airbus A220-30
Airbus A220-30
Landed - Delayed