DL 541 then AT 219 at Dulles
Seattle → Washington → Casablanca
Timetable, Washington time
00:20DL 541 from Seattle at the gate
21:05AT 219 to Casablanca leaves the gate
20 h 45 apart on the timetable
AT 219 leaves 20 h 45 after DL 541 arrives on the timetable: more than half a day, so not a connection we count.