AA 4479 then UA 5811 at O'Hare
Pittsburgh → Chicago → Flint
Timetable, Chicago time
14:00AA 4479 from Pittsburgh at the gate
15:35UA 5811 to Flint leaves the gate
1 h 35 apart on the timetable
The last days
AA 4479 and UA 5811 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.