UA 3520 then TK 6039 at O'Hare
Louisville → Chicago → Quito
Timetable, Chicago time
11:12UA 3520 from Louisville at the gate
10:50TK 6039 to Quito leaves the gate
23 h 38 apart on the timetable, overnight
TK 6039 leaves 23 h 38 after UA 3520 arrives on the timetable: more than half a day, so not a connection we count.