British Airways in the last few weeks adjusted its network at London Heathrow, including the removal of 4 destinations. As of 0745GMT 25MAY20, the oneWorld carrier is cancelling following routes.
London Heathrow – Buenos Aires Ezeiza Service cancelled until 31AUG20 inclusive
London Heathrow – Calgary Service cancelled for the remainder of S20
London Heathrow – Charleston SC Service cancelled for the remainder of S20
London Heathrow – Helsinki Service cancelled permanently for the time being
London Heathrow – Podgorica Previously planned new route in July/August 2020 cancelled
Separately, previously planned London Heathrow – Portland OR service will now commence on 02SEP20, on board Boeing 787-8.