Qatar Airways’ chief executive officer has said he is “disappointed” by the way London’s Heathrow Airport has handled disruption to flights this summer. The airport is one of the busiest in the world and has been hit by multiple crises this year including baggage system issues and staff shortages as travellers return to the skies following the lifting of Covid-19 pandemic restrictions. Airport management has asked airlines to stop selling seats on flights as it set a two-month cap on daily passenger traffic. The limit has angered some airline chiefs as they zealously try to reverse the financi…