AA 6423 then AA 2663 at O'Hare
Lincoln → Chicago → Harrisburg
Timetable, Chicago time
07:58AA 6423 from Lincoln at the gate
19:20AA 2663 to Harrisburg leaves the gate
11 h 22 apart on the timetable
The last days
AA 6423 and AA 2663 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
AA 66323:4315 h 45 after AA 6423 on the timetable