British Airways appear to have cut several long haul London Heathrow routes in Summer 2021 including (subject to change):
— Sean M 🌈✈ (@SeanM1997) December 15, 2020
Abu Dhabi
Bangkok
Calgary
Charleston (SC)
Durban
Jeddah
Kuala Lumpur
Lahore
Osaka
Pittsburgh
Seoul Incheon
Seychelles
Sydney*
Accra and Islamabad move to LGW pic.twitter.com/rgXCbP5LBd