AS 315 then WN 694 at Detroit
Seattle → Detroit → Las Vegas
Timetable, Detroit time
05:40AS 315 from Seattle at the gate
10:00WN 694 to Las Vegas leaves the gate
4 h 20 apart on the timetable
The last days
AS 315 and WN 694 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.