JFK-SEA is still technically a D1 route (it's still listed in the D1 fare rules as shown below), but because they are only running 739's and A321neo's on route now they will all be FC marketed flights. DL is apparently purchasing 21 A321neo's with D1 and PS seats. Perhaps when those come online they might be used on JFK-SEA.
https://airlineweekly.com/2022/03/de...m-travel-push/
Last edited by xliioper; Apr 16, 2023 at 8:33 pm