QR 8170 then VB 617 at Houston
Chicago → Houston → Monterrey
Timetable, Houston time
00:10QR 8170 from Chicago at the gate
22:10VB 617 to Monterrey leaves the gate
22 h apart on the timetable
VB 617 leaves 22 h after QR 8170 arrives on the timetable: more than half a day, so not a connection we count.