F9 3366 then VB 683 at DFW
Denver → Dallas-Fort Worth → Monterrey
Timetable, Dallas-Fort Worth time
14:54F9 3366 from Denver at the gate
14:41VB 683 to Monterrey leaves the gate
23 h 47 apart on the timetable, overnight
VB 683 leaves 23 h 47 after F9 3366 arrives on the timetable: more than half a day, so not a connection we count.