AA 566 then WN 3751 at Denver
Dallas-Fort Worth → Denver → Eugene
Timetable, Denver time
19:53AA 566 from Dallas-Fort Worth at the gate
19:35WN 3751 to Eugene leaves the gate
23 h 42 apart on the timetable, overnight
WN 3751 leaves 23 h 42 after AA 566 arrives on the timetable: more than half a day, so not a connection we count.