AA 9909 then WN 2438 at Denver
Los Angeles → Denver → Omaha
Timetable, Denver time
16:45AA 9909 from Los Angeles at the gate
14:30WN 2438 to Omaha leaves the gate
21 h 45 apart on the timetable, overnight
WN 2438 leaves 21 h 45 after AA 9909 arrives on the timetable: more than half a day, so not a connection we count.