AS 407 then UA 6080 at O'Hare
Seattle (SEA) → Chicago → Saginaw
Timetable, Chicago time
15:00AS 407 from Seattle (SEA) at the gate
13:25UA 6080 to Saginaw leaves the gate
22 h 25 apart on the timetable, overnight
UA 6080 leaves 22 h 25 after AS 407 arrives on the timetable: more than half a day, so not a connection we count.