Y8 7451 then UA 1982 at O'Hare
Anchorage → Chicago → Houston
Timetable, Chicago time
05:50Y8 7451 from Anchorage at the gate
05:30UA 1982 to Houston leaves the gate
23 h 40 apart on the timetable, overnight
UA 1982 leaves 23 h 40 after Y8 7451 arrives on the timetable: more than half a day, so not a connection we count.