
“Over the past few weeks, as departing passenger numbers have regularly exceeded 100,000 a day, we have started to see periods when service drops to a level that is not acceptable: long queue times, delays for passengers requiring assistance, bags not travelling with passengers or arriving late, low punctuality and last-minute cancellations,” said Heathrow boss John Holland-Kaye.
https://www.bbc.co.uk/news/business-62136022?at_medium=RSS&at_campaign=KARANGA,