3S 446 then 5X 5603 at O'Hare
Frankfurt am Main → Chicago → Louisville
Timetable, Chicago time
23:493S 446 from Frankfurt am Main at the gate
07:305X 5603 to Louisville leaves the gate
7 h 41 apart on the timetable, overnight
The last days
3S 446 and 5X 5603 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.