WN 550 then DL 4082 at Detroit
Nashville → Detroit → Cleveland
Timetable, Detroit time
13:15WN 550 from Nashville at the gate
20:05DL 4082 to Cleveland leaves the gate
6 h 50 apart on the timetable
The last days
WN 550 and DL 4082 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.