AA 9867 then AA 663 at O'Hare
Marquette → Chicago → Harrisburg
Timetable, Chicago time
13:05AA 9867 from Marquette at the gate
23:43AA 663 to Harrisburg leaves the gate
10 h 38 apart on the timetable
The last days
AA 9867 and AA 663 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.
Later flights to Harrisburg
No later flight to Harrisburg on the timetable.