Thanks for the comments about the LON-BDA flights. It went to LGW when it was swapped from L1011 to DC10 most if not all of which were based at Gatwick. Bda isnt like the Caribbean Islands and has limited O&D/Leisure travel but a great deal of business (and a lot of rich people who can afford BA F) .
LHR was preferred because of better onward connectivity for business travellers .
The performance stats issue may just be due to having had a few cancellations all together recently and it seems the flight is pretty much routinely operated by just one or two of the BA T7 fleet so over the coming months it may all even out again,.
I know there may be some older T7s around but recent trips have seen a pretty shabby version used -I realsie some older a/c may have been through a major check and refurbished and so look newer than younger aircraft which have not yet reached that oppotunity for a 'deep clean'.
BDA has always suffered from an anomalous location not being in either N America or the Caribbean and various major companies struggle to find the right place for it in their business structure whereas some Bermudians feel it is worth a 'Region' of its own.
Thanks for the info and the main thing is to keep the route actually running anyway