MJV, ALC, AGP and PMI with one based a/c.
Throw in BFS for good measure starting S10.
I'm quite astonished! Flybe couldn't make these routes work ex NWI and I think they will be slim pickings for Jet2 aswell.
That said, I'll wish them the best of luck. I guess they do have the added benefit of Jet2Holidays to help them sell the seats.