AA 2448 then MQ 4229 at O'Hare
Harrisburg → Chicago → Knoxville
Timetable, Chicago time
07:21AA 2448 from Harrisburg at the gate
13:45MQ 4229 to Knoxville leaves the gate
6 h 24 apart on the timetable
The last days
AA 2448 and MQ 4229 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.