AA 2021 then DL 5639 at Charlotte
Cleveland → Charlotte → Boston
Timetable, Charlotte time
09:50AA 2021 from Cleveland at the gate
14:30DL 5639 to Boston leaves the gate
4 h 40 apart on the timetable
Today
From the airport’s board at 16:19 Charlotte time
09:23AA 2021 reached the gate27 min early
14:37DL 5639 left the gate7 min late
5 h 14 between the gates
The last days
AA 2021 and DL 5639 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.