British Airways have made some substantial changes to their route network next year, which include suspending some services completely, and deferring restarting others to next winter (when hopefully travel will have restarted again!).
Routes which have been suspended indefinitely include:
Calgary
Charleston
Pittsburgh
Lima
Durban
Seychelles
Abu Dhabi
Damman (Saudi Arabia)
Jeddah (Saudi Arabia)
Muscat
Kuala Lumpur
Osaka
Seoul
There are a handful of other routes which have been suspended until next winter – including:
Bangkok
San Jose, Costa Rica
Sydney (Australia)