WN 993 then WN 1749 at Denver
Baltimore → Denver → Dallas
Timetable, Denver time
10:30WN 993 from Baltimore at the gate
05:35WN 1749 to Dallas leaves the gate
19 h 05 apart on the timetable, overnight
WN 1749 leaves 19 h 05 after WN 993 arrives on the timetable: more than half a day, so not a connection we count.