The benefit to Jet2 ultimately is with the airports close together, they tend to compete with one another. For example, if a 14nt holiday from GLA is £2100, yet the same holiday, just with flights from EDI instead is £1900, passengers will tend to travel the difference to save money. Now, as EDI is competing on the route, at a lower price, GLA will lower its price also, in order to compete. The advantage to Jet2 is that; 1: They have greater capacity on their holidays, and 2: The consumer saves money. And if the consumer saves money, they are more likely to travel again in the near future with Jet2, and of course the more passengers, the more profit in the long run.
- EZY and FR are certainly making up on the route - but they can't offer holidays, and thus don't have the ABTA
AND ATOL protection that Jet2holidays offer. Essentially, customers travelling on a route from maybe EDI - TFS, will 99% of the time be going on holiday. Passengers will tend to go package, as opposed to flight only + hotel only, and the only LCC that can offer such thing would be Jet2. I suppose you could say it is one of their KSP's, which wins them many passengers, time and time again over the likes of FR and EZY.