AA 638 then AA 536 at Charlotte
West Palm Beach → Charlotte → Chicago O'Hare
Timetable, Charlotte time
13:42AA 638 from West Palm Beach at the gate
16:30AA 536 to Chicago O'Hare leaves the gate
2 h 48 apart on the timetable
The last days
AA 638 and AA 536 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.