EI 117 then UA 3752 at Dulles
Dublin → Washington → Oklahoma City
Timetable, Washington time
15:45EI 117 from Dublin at the gate
09:40UA 3752 to Oklahoma City leaves the gate
17 h 55 apart on the timetable, overnight
UA 3752 leaves 17 h 55 after EI 117 arrives on the timetable: more than half a day, so not a connection we count.