AA 2972 then AA 643 at LAX
Phoenix → Los Angeles → Chicago O'Hare
Timetable, Los Angeles time
08:47AA 2972 from Phoenix at the gate
11:37AA 643 to Chicago O'Hare leaves the gate
2 h 50 apart on the timetable
The last days
AA 2972 and AA 643 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.