DL 9941 then DL 423 at Atlanta
Queretaro → Atlanta → Salt Lake City
Timetable, Atlanta time
19:43DL 9941 from Queretaro at the gate
13:55DL 423 to Salt Lake City leaves the gate
18 h 12 apart on the timetable, overnight
DL 423 leaves 18 h 12 after DL 9941 arrives on the timetable: more than half a day, so not a connection we count.