AV 582 then UA 4548 at Dulles
Santa Clara → Washington → Cleveland
Timetable, Washington time
14:55AV 582 from Santa Clara at the gate
12:50UA 4548 to Cleveland leaves the gate
21 h 55 apart on the timetable, overnight
UA 4548 leaves 21 h 55 after AV 582 arrives on the timetable: more than half a day, so not a connection we count.