AA 2174 then AA 419 at Charlotte
Chicago O'Hare → Charlotte → Detroit
Timetable, Charlotte time
16:30AA 2174 from Chicago O'Hare at the gate
20:45AA 419 to Detroit leaves the gate
4 h 15 apart on the timetable
The last days
AA 2174 and AA 419 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.