UA 1564 then AA 3023 at DFW
Washington → Dallas-Fort Worth → New York LaGuardia
Timetable, Dallas-Fort Worth time
15:14UA 1564 from Washington at the gate
08:26AA 3023 to New York LaGuardia leaves the gate
17 h 12 apart on the timetable, overnight
AA 3023 leaves 17 h 12 after UA 1564 arrives on the timetable: more than half a day, so not a connection we count.