K4 811 then AA 3261 at O'Hare
Anchorage → Chicago → Houston
Timetable, Chicago time
20:28K4 811 from Anchorage at the gate
17:10AA 3261 to Houston leaves the gate
20 h 42 apart on the timetable, overnight
AA 3261 leaves 20 h 42 after K4 811 arrives on the timetable: more than half a day, so not a connection we count.