CV 251 then UA 535 at O'Hare
Anchorage → Chicago → Houston
Timetable, Chicago time
19:00CV 251 from Anchorage at the gate
09:25UA 535 to Houston leaves the gate
14 h 25 apart on the timetable, overnight
UA 535 leaves 14 h 25 after CV 251 arrives on the timetable: more than half a day, so not a connection we count.