UA 3236 then AA 4980 at Houston
Mc Allen → Houston → Dallas-Fort Worth
Timetable, Houston time
20:10UA 3236 from Mc Allen at the gate
11:55AA 4980 to Dallas-Fort Worth leaves the gate
15 h 45 apart on the timetable, overnight
AA 4980 leaves 15 h 45 after UA 3236 arrives on the timetable: more than half a day, so not a connection we count.