F9 2960 then AM 456 at Dulles
Fort Lauderdale → Washington → Mexico City
Timetable, Washington time
20:11F9 2960 from Fort Lauderdale at the gate
15:44AM 456 to Mexico City leaves the gate
19 h 33 apart on the timetable, overnight
AM 456 leaves 19 h 33 after F9 2960 arrives on the timetable: more than half a day, so not a connection we count.