UA 4258 then AA 2414 at Dulles
Norfolk → Washington → Dallas-Fort Worth
Timetable, Washington time
16:11UA 4258 from Norfolk at the gate
14:42AA 2414 to Dallas-Fort Worth leaves the gate
22 h 31 apart on the timetable, overnight
AA 2414 leaves 22 h 31 after UA 4258 arrives on the timetable: more than half a day, so not a connection we count.