BR 646 then AA 2645 at O'Hare
Anchorage → Chicago → Houston
Timetable, Chicago time
10:40BR 646 from Anchorage at the gate
10:35AA 2645 to Houston leaves the gate
23 h 55 apart on the timetable, overnight
AA 2645 leaves 23 h 55 after BR 646 arrives on the timetable: more than half a day, so not a connection we count.