DL 5334 then G4 1406 at Philadelphia
Detroit → Philadelphia → Knoxville
Timetable, Philadelphia time
11:37DL 5334 from Detroit at the gate
16:52G4 1406 to Knoxville leaves the gate
5 h 15 apart on the timetable
The last days
DL 5334 and G4 1406 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.