WN 347 then UA 783 at Denver
Birmingham (Alabama) → Denver → Mexico City
Timetable, Denver time
18:45WN 347 from Birmingham (Alabama) at the gate
09:41UA 783 to Mexico City leaves the gate
14 h 56 apart on the timetable, overnight
UA 783 leaves 14 h 56 after WN 347 arrives on the timetable: more than half a day, so not a connection we count.