CA 1017 then UA 4394 at O'Hare
Anchorage → Chicago → Roanoke
Timetable, Chicago time
19:05CA 1017 from Anchorage at the gate
17:55UA 4394 to Roanoke leaves the gate
22 h 50 apart on the timetable, overnight
UA 4394 leaves 22 h 50 after CA 1017 arrives on the timetable: more than half a day, so not a connection we count.