AA 2511 then AA 2773 at Boston
Chicago O'Hare → Boston → Charlotte
Timetable, Boston time
10:33AA 2511 from Chicago O'Hare at the gate
12:55AA 2773 to Charlotte leaves the gate
2 h 22 apart on the timetable
The last days
AA 2511 and AA 2773 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.