AA 1980 then AA 3074 at Philadelphia
Miami → Philadelphia → Chicago O'Hare
Timetable, Philadelphia time
23:53AA 1980 from Miami at the gate
07:25AA 3074 to Chicago O'Hare leaves the gate
7 h 32 apart on the timetable, overnight
The last days
AA 1980 and AA 3074 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.