WN 549 then WN 512 at Denver
Nashville → Denver → Oakland
Timetable, Denver time
07:25WN 549 from Nashville at the gate
12:05WN 512 to Oakland leaves the gate
4 h 40 apart on the timetable
The last days
WN 549 and WN 512 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.