CV 12 then AA 2612 at O'Hare
Anchorage → Chicago → Houston
Timetable, Chicago time
19:11CV 12 from Anchorage at the gate
13:36AA 2612 to Houston leaves the gate
18 h 25 apart on the timetable, overnight
AA 2612 leaves 18 h 25 after CV 12 arrives on the timetable: more than half a day, so not a connection we count.