I received with the flight schedules for AeroMexico nonstop from MEX-FLL-MEX flight on July 7, 2003 and here it is:
425 FLL-MEX 04:50 PM 06:55 PM Monday, Friday, Saturday and Sunday
México City - Fort Lauderdale
424 MEX-FLL 11:30 AM. 03:45 PM. Monday, Friday, Saturday and Sunday
Well, this is not 6x weekly for flight from FLL-MEX either. So if you want go to FLL airport to take a thier shot with the airplane for arrive from Mexico City. Thanks!