I'm looking to book JFK-LAS in mid-October. The flight selection page shows First (D) with the red header whereas the seat selection page shows Delta One with the purple header. Flight is on a 763. Of course things can change in 2 months, but any idea if this will be normal domestic first or Delta One service? Based on the above, this flight is currently being served the boxed cold meal, but hopefully it will revert back to proper hot meals by October.