AA 2500 then UA 165 at O'Hare
Nashville → Chicago → Miami
Timetable, Chicago time
17:25AA 2500 from Nashville at the gate
18:43UA 165 to Miami leaves the gate
1 h 18 apart on the timetable
The last days
AA 2500 and UA 165 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.