DL 5597 then DL 9964 at Boston
Jacksonville → Boston → Detroit
Timetable, Boston time
15:37DL 5597 from Jacksonville at the gate
21:30DL 9964 to Detroit leaves the gate
5 h 53 apart on the timetable
The last days
DL 5597 and DL 9964 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.
Later flights to Detroit
No later flight to Detroit on the timetable.