Qatar Airways is the largest owner of IAG, parent company of British Airways, Iberia, Aer Lingus, and Vueling. When british Airways was confronted with strikes Qatar lent Airbus narrowbodies with their much better product, to the surprise and delight of BA customers used to a lesser product.
Qatar says they may come to BA’s rescue again as work is done on the Heathrow-based carriers Boeing 787s due to issues with the Rolls Royce engines on the aircraft type.