AA 435 then F9 1748 at Phoenix
Chicago O'Hare → Phoenix → Denver
Timetable, Phoenix time
00:44AA 435 from Chicago O'Hare at the gate
10:09F9 1748 to Denver leaves the gate
9 h 25 apart on the timetable
The last days
AA 435 and F9 1748 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.