DL 1007 then UA 1493 at Atlanta
Washington National → Atlanta → Newark
Timetable, Atlanta time
21:41DL 1007 from Washington National at the gate
19:40UA 1493 to Newark leaves the gate
21 h 59 apart on the timetable, overnight
UA 1493 leaves 21 h 59 after DL 1007 arrives on the timetable: more than half a day, so not a connection we count.