It doesn't really require a Fp+ but the area to the left of the Dining Area is reserved for Fp+. Standby guests sit in the area to the right of Dining and when that section is filled, Standby guests have to wait in the entry pathway and fill in the Fp+ area 5 minutes before showtime.
You would have to enter the stadium at least 45-60 minutes before Fant to be assured of Standby seating. With Fp+, you'll need to enter by 10-15 minutes before showtime to sit in the Fp+ area before they allow the waiting guests in.
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