AA 1653 then WN 3389 at Phoenix
Boston → Phoenix → Austin
Timetable, Phoenix time
12:58AA 1653 from Boston at the gate
13:35WN 3389 to Austin leaves the gate
37 min apart on the timetable
The last days
AA 1653 and WN 3389 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.