AS 478 then WN 1722 at Phoenix
Seattle → Phoenix → Las Vegas
Timetable, Phoenix time
18:00AS 478 from Seattle at the gate
18:20WN 1722 to Las Vegas leaves the gate
20 min apart on the timetable
The last days
AS 478 and WN 1722 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.