CV 21 then 7L 4871 at O'Hare
Anchorage → Chicago → Houston
Timetable, Chicago time
22:27CV 21 from Anchorage at the gate
20:307L 4871 to Houston leaves the gate
22 h 03 apart on the timetable, overnight
7L 4871 leaves 22 h 03 after CV 21 arrives on the timetable: more than half a day, so not a connection we count.