AV 582 then UA 3752 at Dulles
Santa Clara → Washington → Oklahoma City
Timetable, Washington time
14:55AV 582 from Santa Clara at the gate
09:40UA 3752 to Oklahoma City leaves the gate
18 h 45 apart on the timetable, overnight
UA 3752 leaves 18 h 45 after AV 582 arrives on the timetable: more than half a day, so not a connection we count.