QF 7521 then TK 6039 at O'Hare
Anchorage → Chicago → Quito
Timetable, Chicago time
11:30QF 7521 from Anchorage at the gate
10:50TK 6039 to Quito leaves the gate
23 h 20 apart on the timetable, overnight
TK 6039 leaves 23 h 20 after QF 7521 arrives on the timetable: more than half a day, so not a connection we count.