CA 1011 then UA 1117 at O'Hare
Anchorage → Chicago → Boston
Timetable, Chicago time
17:12CA 1011 from Anchorage at the gate
09:08UA 1117 to Boston leaves the gate
15 h 56 apart on the timetable, overnight
UA 1117 leaves 15 h 56 after CA 1011 arrives on the timetable: more than half a day, so not a connection we count.