AA 1998 then AA 1613 at Phoenix
Seattle → Phoenix → Las Vegas
Timetable, Phoenix time
10:24AA 1998 from Seattle at the gate
11:20AA 1613 to Las Vegas leaves the gate
56 min apart on the timetable
The last days
AA 1998 and AA 1613 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.