CK 227 then UA 2290 at O'Hare
Seattle (SEA) → Chicago → Dallas-Fort Worth
Timetable, Chicago time
14:03CK 227 from Seattle (SEA) at the gate
13:30UA 2290 to Dallas-Fort Worth leaves the gate
23 h 27 apart on the timetable, overnight
UA 2290 leaves 23 h 27 after CK 227 arrives on the timetable: more than half a day, so not a connection we count.