TK 6019 then AA 2603 at O'Hare
Istanbul → Chicago → Houston
Timetable, Chicago time
03:15TK 6019 from Istanbul at the gate
07:21AA 2603 to Houston leaves the gate
4 h 06 apart on the timetable
The last days
TK 6019 and AA 2603 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.