UA 382 then TK 134 at Houston
Washington National → Houston → Istanbul
Timetable, Houston time
15:29UA 382 from Washington National at the gate
15:05TK 134 to Istanbul leaves the gate
23 h 36 apart on the timetable, overnight
TK 134 leaves 23 h 36 after UA 382 arrives on the timetable: more than half a day, so not a connection we count.