I went they on July 23rd when they inaugurated Terminal D. I saw two Mexicana's, one of them parked on a remote area for a while. Based on what I read on the arrivals/dep screens, this is the way I conclude the rotation works:
Plane 1 arrives from either Morelia or Zacatecas about the same time, regardless of their frequency, they both arrive about the same time at 7AM (one or the other), then after one hour the plane is flown on behalf of funjet to Cancun; the planes is seen back at DFW
around 1 or 1.30PM and at 2:30 it is flown again on funjet's behalf to San Jose del Cabo; the plane is back to DFW
at 8:30PM and heads two hours later back to either Morelia or Zacatecas at 10:40PM. The plane stays in that city until the 5AM return flight back to DFW
Regarding Plane 2, I do not have the complete itinerary. I saw on the boards a scheduled arrival from Cozumel, so I conclude that it is then rotated to Puerto Vallarta, but I ignore anything beyond these two cities.
The trend is to use the planes flying east in the mornings (CUN
) and west to catch up with time zones to the west (SJC
). Plane 2 should have another rotation to complete the day, but I have no idea where it goes or comes from.