CK 225 then UA 5518 at O'Hare
Seattle (SEA) → Chicago → Traverse City
Timetable, Chicago time
07:42CK 225 from Seattle (SEA) at the gate
20:00UA 5518 to Traverse City leaves the gate
12 h 18 apart on the timetable
UA 5518 leaves 12 h 18 after CK 225 arrives on the timetable: more than half a day, so not a connection we count.