Flew PHL-ORD-FRA-NAP / CDG-ORD-PHL last year. Both segments between ORD and PHL were 1776. PHL-ORD was an A320 departing at 8am. ORD-PHL was like a 5pm departure, 737-800
I believe some of the Super Bowl extras used players Jersey Numbers and other features related to that city's home team.