UA 644 then WN 131 at Denver
Dallas-Fort Worth → Denver → Cancún
Timetable, Denver time
10:14UA 644 from Dallas-Fort Worth at the gate
08:45WN 131 to Cancún leaves the gate
22 h 31 apart on the timetable, overnight
WN 131 leaves 22 h 31 after UA 644 arrives on the timetable: more than half a day, so not a connection we count.