CA 8443 then UA 1801 at O'Hare
Anchorage → Chicago → Seattle (SEA)
Timetable, Chicago time
16:59CA 8443 from Anchorage at the gate
16:15UA 1801 to Seattle (SEA) leaves the gate
23 h 16 apart on the timetable, overnight
UA 1801 leaves 23 h 16 after CA 8443 arrives on the timetable: more than half a day, so not a connection we count.