AA 9914 then 5X 603 at O'Hare
Detroit → Chicago → Louisville
Timetable, Chicago time
10:20AA 9914 from Detroit at the gate
21:235X 603 to Louisville leaves the gate
11 h 03 apart on the timetable
The last days
AA 9914 and 5X 603 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 Louisville
5X 60522:3712 h 17 after AA 9914 on the timetable