UA 2466 then AA 1408 at DFW
Chicago O'Hare → Dallas-Fort Worth → Huatulco
Timetable, Dallas-Fort Worth time
18:33UA 2466 from Chicago O'Hare at the gate
10:23AA 1408 to Huatulco leaves the gate
15 h 50 apart on the timetable, overnight
AA 1408 leaves 15 h 50 after UA 2466 arrives on the timetable: more than half a day, so not a connection we count.