WN 2275 then WN 2500 at San Francisco
Dallas → San Francisco → Nashville
Timetable, San Francisco time
09:40WN 2275 from Dallas at the gate
12:10WN 2500 to Nashville leaves the gate
2 h 30 apart on the timetable
The last days
WN 2275 and WN 2500 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.