5X 5602 then 3S 441 at O'Hare
Louisville → Chicago → Frankfurt am Main
Timetable, Chicago time
15:375X 5602 from Louisville at the gate
21:253S 441 to Frankfurt am Main leaves the gate
5 h 48 apart on the timetable
The last days
5X 5602 and 3S 441 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.