Spirit Airways sells the Big Entrance Seat onboard its plane, which is analogous to your seats in US domestic first class, but there is no other big difference in support or amenities for customers seated in that section. Meal services on my night flight started off about 20 minutes right https://businessflightshop.co.uk/blog/get-your-first-class-tickets-to-new-york-some-destinations-for-christmas-holiday-vacations/