If your talking about the utilization of the Gatwick based planes, then i can assure you they are well used. A common theme between them is to depart from LGW before 7am then dont stop for more than an hour untill after 9pm. I have somewhere the complete schedules for Aer Lingus' Summer program for next year (what we see on the website) which i could post tomorrow or somewhen. One thing i noted when i researched into it, is that Gatwick will have 7 aircraft next Summer (at least) to operate all the flights within the booking system, with some gaps for new routes and such. Like i say, ill post this tomorrow just to save you wasting a couple of hours.