With Respect, that sort of question should be directed to the airlines commercial planning if its for a serious commercial enquiry.
Dont believe it's appropriate for a public forum.
If its just for 'spotters interest' its quite easy to work out from their online timetable how the aircraft are being utilised day by day.
I wouldn't say it is either of the above, I'd say he just wants to know if there is a possibility of flybe starting another route from Derry. As they have increased rotations to Knock to five weekly from EDI, it would seem as though there may well be some spare capacity kicking about here and there.