QR 8187 then AS 280 at Houston
Chicago → Houston → Seattle
Timetable, Houston time
18:51QR 8187 from Chicago at the gate
07:02AS 280 to Seattle leaves the gate
12 h 11 apart on the timetable, overnight
AS 280 leaves 12 h 11 after QR 8187 arrives on the timetable: more than half a day, so not a connection we count.