K4 551 then AA 2612 at O'Hare
Anchorage → Chicago → Houston
Timetable, Chicago time
16:28K4 551 from Anchorage at the gate
13:50AA 2612 to Houston leaves the gate
21 h 22 apart on the timetable, overnight
AA 2612 leaves 21 h 22 after K4 551 arrives on the timetable: more than half a day, so not a connection we count.