We can do a:

Delta 11:30 arr 16:40 or (currently in C+ on DL)
JetBlue 09:30 arr 14:36 (no premium seats left) out of JFK on a Saturday.

On the one hand, we can sleep in a bit later and not rush to airport.
On the other, 2 extra hrs on the beach in the afternoon.

What would you do?