DL 873 then AA 5273 at DFW
New York LaGuardia → Dallas-Fort Worth → Corpus Christi
Timetable, Dallas-Fort Worth time
10:03DL 873 from New York LaGuardia at the gate
22:30AA 5273 to Corpus Christi leaves the gate
12 h 27 apart on the timetable
AA 5273 leaves 12 h 27 after DL 873 arrives on the timetable: more than half a day, so not a connection we count.