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

WN978 Southwest Airlines - Flight Status

Below, you can find details about Southwest Airlines flight WN978, which currently operates between the airports of Dallas - Dallas Love Field (Airport Code DAL) and Seattle - Seattle-Tacoma International Airport (Airport Code SEA).
This flight data pertains specifically to the flight's details for Wednesday, April 08, 2026.

WN978 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

WN978 Southwest Airlines from Dallas

Scheduled
Flight Status for Wednesday April 08, 2026
This flight is also scheduled for Today (April 07, 2026). See it here

Airline information

Southwest Airlines
Southwest Airlines
Equipment: Boeing 737-800 (Scimitar Winglets) Passenger

Departure

Dallas (DAL)
April 08, 2026
Dallas Love Field
Scheduled Departure Time:
09:00 am
Terminal:
1
Gate:
17
Scheduled Departure Time: 09:00 am

Arrival

Seattle (SEA)
April 08, 2026
Seattle-Tacoma International Airport
Scheduled Arrival Time:
11:20 am
Gate:
B12
Scheduled Arrival Time: 11:20 am
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 WN978?
The flight WN978 is currently not scheduled at Seattle Airport - SEATAC.

Which is the distance of flight WN978?
The distance between the two airports is 1668 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 Dallas: 2026-04-07 13:41:43
Current Time in Seattle: 2026-04-07 11:41:43

Alternative Flights

The following airline serve the same route between Dallas and Seattle:
Southwest Airlines - Flight Number: WN173. (On Time performance: 64 - Average Delay: 16 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: 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 WN978

No flights for WN978 were scheduled in the past month. The last flight took place on Wednesday, April 08, 2026