AA 1486 then AA 4063 at DFW
Guatemala City → Dallas-Fort Worth → Mc Allen
Timetable, Dallas-Fort Worth time
16:50AA 1486 from Guatemala City at the gate
16:44AA 4063 to Mc Allen leaves the gate
23 h 54 apart on the timetable, overnight
AA 4063 leaves 23 h 54 after AA 1486 arrives on the timetable: more than half a day, so not a connection we count.