Heathrow has asked airlines to cancel 10% of their flights today as the airport faces a baggage backlog.
It comes after hundreds of passengers were left waiting for over three hours during the weekend to retrieve their luggage, with no explanation from staff.
Airlines have been given the option of consolidating their flights – meaning that instead of cancelling 10% of services they could move passengers on to other flights to ensure they get away.
It is only a request at this stage so it is up to airlines to decide whether they will comply.
A Heathrow spokesperson said: “We apologise unreservedly for the disruption passengers have faced over the course of this weekend.
“The technical issues affecting baggage systems have led to us making the decision to request airlines operating in Terminals 2 and 3 to consolidate their schedules on Monday 20th June.
“This will enable us to minimise ongoing impact and we ask that all passengers check with their airlines for the latest information.”