UA 1186 then AA 9785 at Boston
Chicago O'Hare → Boston → Charlotte
Timetable, Boston time
09:23UA 1186 from Chicago O'Hare at the gate
11:50AA 9785 to Charlotte leaves the gate
2 h 27 apart on the timetable
The last days
UA 1186 and AA 9785 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.