AA 2155 then AA 4663 at O'Hare
Hartford → Chicago → Memphis
Timetable, Chicago time
14:10AA 2155 from Hartford at the gate
16:00AA 4663 to Memphis leaves the gate
1 h 50 apart on the timetable
The last days
AA 2155 and AA 4663 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.