UA 3501 then AA 677 at O'Hare
Kansas City → Chicago → Spokane
Timetable, Chicago time
17:05UA 3501 from Kansas City at the gate
11:11AA 677 to Spokane leaves the gate
18 h 06 apart on the timetable, overnight
AA 677 leaves 18 h 06 after UA 3501 arrives on the timetable: more than half a day, so not a connection we count.