AA 985 then AA 4510 at O'Hare
Phoenix → Chicago → Des Moines
Timetable, Chicago time
13:40AA 985 from Phoenix at the gate
17:20AA 4510 to Des Moines leaves the gate
3 h 40 apart on the timetable
The last days
AA 985 and AA 4510 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.