UA 2466 then AA 6238 at DFW
Chicago O'Hare → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
18:33UA 2466 from Chicago O'Hare at the gate
08:25AA 6238 to Amarillo leaves the gate
13 h 52 apart on the timetable, overnight
AA 6238 leaves 13 h 52 after UA 2466 arrives on the timetable: more than half a day, so not a connection we count.