TK 6019 then UA 3534 at O'Hare
Istanbul → Chicago → Louisville
Timetable, Chicago time
03:15TK 6019 from Istanbul at the gate
14:25UA 3534 to Louisville leaves the gate
11 h 10 apart on the timetable
The last days
TK 6019 and UA 3534 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.