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

DL803 Delta Air Lines - Flight Status

Below, you can find details about Delta Air Lines flight DL803, which currently operates between the airports of Seattle - Seattle-Tacoma International Airport (Airport Code SEA) and Dallas - Dallas Fort Worth International Airport (Airport Code DFW).
This flight data pertains specifically to the flight's details for Sunday, December 28, 2025.

DL803 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

DL803 Delta Air Lines to Dallas

En Route - Delayed
Delay: 17 minutes
Flight Status for Sunday December 28, 2025
This flight was also scheduled for Yesterday (December 27, 2025). See it here
This flight is also scheduled for Tomorrow (December 29, 2025). See it here

Airline information

Delta Air Lines
Delta Air Lines
Equipment: Airbus A220-100 Passenger

Departure

Seattle (SEA)
December 28, 2025
Seattle-Tacoma International Airport
Departed at:
10:01 am
Gate:
A11
Scheduled Departure Time: 09:40 am

Arrival

Dallas (DFW)
December 28, 2025
Dallas Fort Worth International Airport
Estimated Arrival Time:
03:57 pm
Terminal:
E
Gate:
E12
Scheduled Arrival Time: 03:40 pm
Baggage: E14
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 DL803?
The flight DL803 is scheduled to flight on daily basis.

Which is the distance of flight DL803?
The distance between the two airports is 1658 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 Seattle: 2025-12-28 11:38:39
Current Time in Dallas: 2025-12-28 13:38:39

Alternative Flights

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

American Airlines
- Flight Number: AA1058. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: AA1209. (On Time performance: 81 - Average Delay: 5 minutes)
- Flight Number: AA1667. (On Time performance: 89 - Average Delay: 1 minutes)
- Flight Number: AA2613. (On Time performance: 33 - Average Delay: 29 minutes)
- Flight Number: AA2748. (On Time performance: 91 - Average Delay: 0 minutes)
- Flight Number: AA3075. (On Time performance: 58 - Average Delay: 43 minutes)
- Flight Number: AA707. (On Time performance: 69 - Average Delay: 16 minutes)
- Flight Number: AA717. (On Time performance: 79 - Average Delay: 12 minutes)
- Flight Number: AA727. (On Time performance: 62 - Average Delay: 26 minutes)
- Flight Number: AA757. (On Time performance: 80 - Average Delay: 19 minutes)
- Flight Number: AA767. (On Time performance: 66 - Average Delay: 17 minutes)

Alaska Airlines
- Flight Number: AS414. (On Time performance: 93 - Average Delay: 3 minutes)
- Flight Number: AS424. (On Time performance: 83 - Average Delay: 12 minutes)
- Flight Number: AS426. (On Time performance: 77 - Average Delay: 13 minutes)
- Flight Number: AS542. (On Time performance: 75 - Average Delay: 9 minutes)
- Flight Number: AS549. (On Time performance: 75 - Average Delay: 15 minutes)

Delta Air Lines
- Flight Number: DL2195. (On Time performance: 68 - Average Delay: 33 minutes)
- Flight Number: DL870. (On Time performance: 73 - Average Delay: 23 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 02, 2024 to July 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.

Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.

Last Past Flights DL803

Date
Departure
Arrival
Duration
Aircraft
Status
Saturday
27 December
09:36 am
Seattle (SEA)
03:25 pm
Dallas (DFW)
03h 49min
Airbus A220-10
Airbus A220-10
Landed - On-time
Friday
26 December
09:41 am
Seattle (SEA)
03:36 pm
Dallas (DFW)
03h 55min
Airbus A220-10
Airbus A220-10
Landed - On-time
Thursday
25 December
11:26 am
Seattle (SEA)
05:34 pm
Dallas (DFW)
04h 08min
Airbus A220-10
Airbus A220-10
Landed - Delayed
Wednesday
24 December
09:31 am
Seattle (SEA)
03:41 pm
Dallas (DFW)
04h 10min
Airbus A220-30
Airbus A220-30
Landed - On-time
Tuesday
23 December
09:34 am
Seattle (SEA)
03:27 pm
Dallas (DFW)
03h 53min
Airbus A220-10
Airbus A220-10
Landed - On-time
Monday
22 December
09:38 am
Seattle (SEA)
03:30 pm
Dallas (DFW)
03h 52min
Airbus A220-10
Airbus A220-10
Landed - On-time
Sunday
21 December
09:49 am
Seattle (SEA)
03:53 pm
Dallas (DFW)
04h 04min
Airbus A220-10
Airbus A220-10
Landed - On-time
Saturday
20 December
11:07 am
Seattle (SEA)
05:03 pm
Dallas (DFW)
03h 56min
Airbus A220-10
Airbus A220-10
Landed - Delayed