Skip...
BA CANT, COULDNT AFFORD TO, and WONT replace the 737s like-for-like with Airbus. There is NO money to do such a thing, and LGW isnt such a priority for BA. LHR is where the money is being spent and invested. Longhaul and some big greenhouse called T5...
For sure, there will be a batch of Airbus sent over, but certainly not 50 odds.
LGW domestic services are being maulled although certain European routes are holding their own.