DL 675 then AA 835 at Boston
Kansas City → Boston → Charlotte
Timetable, Boston time
13:49DL 675 from Kansas City at the gate
16:42AA 835 to Charlotte leaves the gate
2 h 53 apart on the timetable
The last days
DL 675 and AA 835 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.