CV 12 then DL 637 at O'Hare
Anchorage → Chicago → Seattle (SEA)
Timetable, Chicago time
19:11CV 12 from Anchorage at the gate
17:55DL 637 to Seattle (SEA) leaves the gate
22 h 44 apart on the timetable, overnight
DL 637 leaves 22 h 44 after CV 12 arrives on the timetable: more than half a day, so not a connection we count.