CK 225 then K4 810 at O'Hare
Seattle (SEA) → Chicago → Anchorage
Timetable, Chicago time
06:42CK 225 from Seattle (SEA) at the gate
04:00K4 810 to Anchorage leaves the gate
21 h 18 apart on the timetable, overnight
K4 810 leaves 21 h 18 after CK 225 arrives on the timetable: more than half a day, so not a connection we count.