F9 2550 then AA 1044 at DFW
Denver → Dallas-Fort Worth → Louisville
Timetable, Dallas-Fort Worth time
09:40F9 2550 from Denver at the gate
09:39AA 1044 to Louisville leaves the gate
23 h 59 apart on the timetable, overnight
AA 1044 leaves 23 h 59 after F9 2550 arrives on the timetable: more than half a day, so not a connection we count.