UA 277 then TK 134 at Houston
Los Angeles → Houston → Istanbul
Timetable, Houston time
15:27UA 277 from Los Angeles at the gate
15:05TK 134 to Istanbul leaves the gate
23 h 38 apart on the timetable, overnight
TK 134 leaves 23 h 38 after UA 277 arrives on the timetable: more than half a day, so not a connection we count.