AA 1940 then AA 2266 at DFW
Memphis → Dallas-Fort Worth → Omaha
Timetable, Dallas-Fort Worth time
07:38AA 1940 from Memphis at the gate
07:14AA 2266 to Omaha leaves the gate
23 h 36 apart on the timetable, overnight
AA 2266 leaves 23 h 36 after AA 1940 arrives on the timetable: more than half a day, so not a connection we count.