AA 3324 then OO 307 at O'Hare
Boston → Chicago → Moline
Timetable, Chicago time
08:00AA 3324 from Boston at the gate
12:40OO 307 to Moline leaves the gate
4 h 40 apart on the timetable
The last days
AA 3324 and OO 307 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.