UA 4601 then TK 6039 at O'Hare
St Louis → Chicago → Quito
Timetable, Chicago time
11:16UA 4601 from St Louis at the gate
10:50TK 6039 to Quito leaves the gate
23 h 34 apart on the timetable, overnight
TK 6039 leaves 23 h 34 after UA 4601 arrives on the timetable: more than half a day, so not a connection we count.