AA 4381 then AA 4955 at O'Hare
Grand Rapids → Chicago → Des Moines
Timetable, Chicago time
06:09AA 4381 from Grand Rapids at the gate
07:17AA 4955 to Des Moines leaves the gate
1 h 08 apart on the timetable
The last days
AA 4381 and AA 4955 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.