CV 12 then DL 1818 at O'Hare
Anchorage → Chicago → Seattle (SEA)
Timetable, Chicago time
19:11CV 12 from Anchorage at the gate
17:30DL 1818 to Seattle (SEA) leaves the gate
22 h 19 apart on the timetable, overnight
DL 1818 leaves 22 h 19 after CV 12 arrives on the timetable: more than half a day, so not a connection we count.