The aircraft is a 737 with a Lunch in First Class both ways. No meal in coach. Catering for both legs of this turn-around was done in MIA.
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Unmarked First Class line and luggage got the orange premium tags which were ignored on the return by MIA.
I'm assuming you mean Business Class. AA no longer offers First Class to Canada/Mexico/Bermuda/Bahamas/Caribbean/Central America. The premium cabin is branded J, not F.