DL 9951 then DL 633 at Atlanta
Queretaro → Atlanta → Quito
Timetable, Atlanta time
20:38DL 9951 from Queretaro at the gate
16:10DL 633 to Quito leaves the gate
19 h 32 apart on the timetable, overnight
DL 633 leaves 19 h 32 after DL 9951 arrives on the timetable: more than half a day, so not a connection we count.