UA 4006 then UA 950 at Dulles
Savannah → Washington → Brussels
Timetable, Washington time
18:24UA 4006 from Savannah at the gate
17:45UA 950 to Brussels leaves the gate
23 h 21 apart on the timetable, overnight
UA 950 leaves 23 h 21 after UA 4006 arrives on the timetable: more than half a day, so not a connection we count.