AA 677 then QR 8187 at O'Hare
Spokane → Chicago → Houston
Timetable, Chicago time
20:07AA 677 from Spokane at the gate
16:40QR 8187 to Houston leaves the gate
20 h 33 apart on the timetable, overnight
QR 8187 leaves 20 h 33 after AA 677 arrives on the timetable: more than half a day, so not a connection we count.