AA 1275 then AA 3822 at O'Hare
Newark → Chicago → Harrisburg
Timetable, Chicago time
07:28AA 1275 from Newark at the gate
11:45AA 3822 to Harrisburg leaves the gate
4 h 17 apart on the timetable
Today
From the airport’s board at 15:45 Chicago time
07:38AA 1275 reached the gate10 min late
11:42AA 3822 left the gate3 min early
4 h 04 between the gates
The last days
AA 1275 and AA 3822 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.