UA 2194 then TK 134 at Houston
Baltimore → Houston → Istanbul
Timetable, Houston time
15:20UA 2194 from Baltimore at the gate
15:05TK 134 to Istanbul leaves the gate
23 h 45 apart on the timetable, overnight
TK 134 leaves 23 h 45 after UA 2194 arrives on the timetable: more than half a day, so not a connection we count.