AA 420 then UA 378 at Denver
Dallas-Fort Worth → Denver → Wichita
Timetable, Denver time
14:18AA 420 from Dallas-Fort Worth at the gate
13:45UA 378 to Wichita leaves the gate
23 h 27 apart on the timetable, overnight
UA 378 leaves 23 h 27 after AA 420 arrives on the timetable: more than half a day, so not a connection we count.