AA 738 then DL 5630 at Charlotte
Phoenix → Charlotte → Boston
Timetable, Charlotte time
05:00AA 738 from Phoenix at the gate
14:37DL 5630 to Boston leaves the gate
9 h 37 apart on the timetable
The last days
AA 738 and DL 5630 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.