MX 6375 then AA 4603 at O'Hare
Tampa → Chicago → Louisville
Timetable, Chicago time
15:40MX 6375 from Tampa at the gate
18:55AA 4603 to Louisville leaves the gate
3 h 15 apart on the timetable
The last days
MX 6375 and AA 4603 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.