WN 548 then WN 2275 at Charlotte
Dallas → Charlotte → Nashville
Timetable, Charlotte time
10:55WN 548 from Dallas at the gate
19:15WN 2275 to Nashville leaves the gate
8 h 20 apart on the timetable
The last days
WN 548 and WN 2275 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.