JFK Runway Construction and AS flights
 

I noticed AA has cancelled all of their SEA-JFK flights for the summer due to the runway construction and wondered if anyone noticed any changes to Alaska's JFK summer schedule. I recently booked a RT on the PDX-JFK route and that looks like it's going to remain on the schedule (so far) since I'm guessing all the summer schedule changes would have been made by now. Walking by the gate for the afternoon AS SEA-JFK flight yesterday I noticed they were making an announcement that the flight would be delayed due to ATC....sounds like it could be an interesting summer during peak travel times at JFK.
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AA has the triple whammy of the 73M+Oasis issues+Runway construction, whereas AS only has one of those problems (for the moment), but we'll see how the construction alone effects all. I think DL has trimmed flights there for the summer as well.

A.net has some good threads on this. Consensus seems to be 73Max plus the port allowing a temporary hold on slots maintaining possession of them.

American has to cut flights and they are choosing the weakest ones. It just so happens that many of the routes out of JFK are their weakest ones. They get a waiver for few months so they won't immediately lose the slots. It will be interesting if later in the year, they re-add them back or just decide they would be better off eliminating them all together. If they can't make money on routes such as SEA-JFK in the middle of the summer, things will not look any better during the dead of winter.

No other carriers are cutting anything from JFK and in fact other carriers like B6 and DL are still growing. It is more a matter of AA weakness at JFK than runway construction alone.

As 426 sea -> jfk
 

As 426 SEA -> JFK