WN 562 then WN 657 at Denver
Oakland → Denver → Detroit
Timetable, Denver time
10:00WN 562 from Oakland at the gate
17:25WN 657 to Detroit leaves the gate
7 h 25 apart on the timetable
The last days
WN 562 and WN 657 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.