It is however a good idea, instead of binning rotations and leaving aircraft, crew and passengers down route, why not operate them intending to terminate at LGW ? At least everyone would be almost in the right place then instead of being stuck in another country. ?
I see that similar happened recently with the Babybus operation, which due to wx at LCY ended up diverting to LGW and then operating back to JFK from Gatwick.
cs