CZ 427 then AA 3261 at O'Hare
Anchorage → Chicago → Houston
Timetable, Chicago time
18:22CZ 427 from Anchorage at the gate
17:10AA 3261 to Houston leaves the gate
22 h 48 apart on the timetable, overnight
AA 3261 leaves 22 h 48 after CZ 427 arrives on the timetable: more than half a day, so not a connection we count.