AA 3855 then DL 1709 at DFW
Louisville → Dallas-Fort Worth → Boston
Timetable, Dallas-Fort Worth time
07:37AA 3855 from Louisville at the gate
13:10DL 1709 to Boston leaves the gate
5 h 33 apart on the timetable
The last days
AA 3855 and DL 1709 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.