DL 2798 then AA 2611 at DFW
Salt Lake City → Dallas-Fort Worth → Queretaro
Timetable, Dallas-Fort Worth time
11:39DL 2798 from Salt Lake City at the gate
08:50AA 2611 to Queretaro leaves the gate
21 h 11 apart on the timetable, overnight
AA 2611 leaves 21 h 11 after DL 2798 arrives on the timetable: more than half a day, so not a connection we count.