DL 873 then AA 2312 at DFW
New York LaGuardia → Dallas-Fort Worth → Tulsa
Timetable, Dallas-Fort Worth time
10:03DL 873 from New York LaGuardia at the gate
22:46AA 2312 to Tulsa leaves the gate
12 h 43 apart on the timetable
AA 2312 leaves 12 h 43 after DL 873 arrives on the timetable: more than half a day, so not a connection we count.