UA 1752 then CX 99 at O'Hare
Houston → Chicago → Anchorage
Timetable, Chicago time
23:26UA 1752 from Houston at the gate
21:15CX 99 to Anchorage leaves the gate
21 h 49 apart on the timetable, overnight
CX 99 leaves 21 h 49 after UA 1752 arrives on the timetable: more than half a day, so not a connection we count.