AA 6422 then WN 1749 at Denver
Los Angeles → Denver → Dallas
Timetable, Denver time
11:46AA 6422 from Los Angeles at the gate
05:35WN 1749 to Dallas leaves the gate
17 h 49 apart on the timetable, overnight
WN 1749 leaves 17 h 49 after AA 6422 arrives on the timetable: more than half a day, so not a connection we count.