CI 5234 then UA 2259 at O'Hare
Anchorage → Chicago → Houston
Timetable, Chicago time
19:25CI 5234 from Anchorage at the gate
18:30UA 2259 to Houston leaves the gate
23 h 05 apart on the timetable, overnight
UA 2259 leaves 23 h 05 after CI 5234 arrives on the timetable: more than half a day, so not a connection we count.