UA 1366 then TK 134 at Houston
Nashville → Houston → Istanbul
Timetable, Houston time
15:16UA 1366 from Nashville at the gate
15:05TK 134 to Istanbul leaves the gate
23 h 49 apart on the timetable, overnight
TK 134 leaves 23 h 49 after UA 1366 arrives on the timetable: more than half a day, so not a connection we count.