AA 4311 then AA 1408 at DFW
Springfield → Dallas-Fort Worth → Huatulco
Timetable, Dallas-Fort Worth time
20:22AA 4311 from Springfield at the gate
10:49AA 1408 to Huatulco leaves the gate
14 h 27 apart on the timetable, overnight
AA 1408 leaves 14 h 27 after AA 4311 arrives on the timetable: more than half a day, so not a connection we count.