Originally Posted by
heartybob
They changed the BA257 LHR-DEL from 6th December to the date you requested in February but left the NYC-LCY flight as it was, giving you a 2 month or so stopover in London. Can you still access your itinerary in MMB? If so, what does it say?
Reading the emails and what the OP has written I think that is the most plausible explanation.
Not showing up to the JFK-LCY resulted in the whole ticket being cancelled, maybe?
In any case the OP should be able to get the taxes and charges back.