Regarding an A330, there is such a thing as consolidation. For example, instead of say 2 daily flights to Palma with smaller a/c, an A330 could go just daily. That said, whether there are enough such routes to keep an A330 busy throughout the week based on Jet 2's current schedules for MAN for next summer is debatable. If, however, they were aiming for real growth or consolidating flights from other airports at MAN, that would be a different matter.