DL 5604 then AA 9785 at Boston
Memphis → Boston → Charlotte
Timetable, Boston time
10:03DL 5604 from Memphis at the gate
11:50AA 9785 to Charlotte leaves the gate
1 h 47 apart on the timetable
The last days
DL 5604 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.