AS 725 then WN 1684 at San Francisco
Seattle → San Francisco → Las Vegas
Timetable, San Francisco time
09:41AS 725 from Seattle at the gatealso QR 2163, QR 2973, QR 3410, QR 8864
10:15WN 1684 to Las Vegas leaves the gate
34 min apart on the timetable
The last days
AS 725 and WN 1684 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.