AA 3155 then UA 5344 at O'Hare
Miami → Chicago → Spokane
Timetable, Chicago time
09:32AA 3155 from Miami at the gate
08:40UA 5344 to Spokane leaves the gate
23 h 08 apart on the timetable, overnight
UA 5344 leaves 23 h 08 after AA 3155 arrives on the timetable: more than half a day, so not a connection we count.