JER LGW is to stay with the Southern Fortress.
[engaging cynical mode]Too many directors and friends living there to cut this service.
[cynical off]
I doubt that anyone can foretell where this is going. BA want to get rid of all the old regional routes that they originally had to take on when they bought the airlines to get their LHR slots.
As has been said, outsourcing is still a strong flavour of the accountants and they will cut anything that will boost the calculations for their bonus.
Oh, I see that I am still in cynical mode. It's just that I have been involved in UK commerce for nearly 30 years and it's difficult to have any other view.