AA 3934 then AA 3171 at Phoenix
Seattle → Phoenix → Chicago O'Hare
Timetable, Phoenix time
21:20AA 3934 from Seattle at the gate
05:00AA 3171 to Chicago O'Hare leaves the gate
7 h 40 apart on the timetable, overnight
The last days
AA 3934 and AA 3171 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.