BA aree hoping to operate the majority of their services from Heathrow today and are running a "near normal" schedule from Gatwick.
Thousands of angry British Airways passengers on Sunday confronted long lines, confusion and canceled flights at London's Heathrow and Gatwick airports as the airline worked to fix computer systems crippled by a massive global IT failure.
Customers have been advised to continue checking the status of their flight on the airline's website www.ba.com before leaving for the airport.
"We have mobilized additional Heathrow colleagues to assist passengers at the terminals and give out free water and snacks", Heathrow said in a statement on Twitter.
On Saturday all British Airways flights were cancelled from Gatwick and Heathrow airport.
"We are extremely sorry for the huge disruption caused to customers".
A British Airways pilot drove a passenger with cancer home after the elderly man was left stranded at Heathrow Airport during the weekend of chaos.
The UK's largest airline British Airways (BA) says it is working to restore its computer systems following two days of disruption for thousands of passengers.
He said it had been caused by a power surge that had "only lasted a few minutes" but the problem was that the back-up system had then not worked properly.
While speaking to passengers on the plane, he came across an elderly man who was returning for a cancer operation and said the person picking him up wasn't available after believing the flight had been cancelled.
Many passengers complained about a lack of information from the airline.
The firm's CEO, Spaniard Alex Cruz, released a second video, after an initial one he released on Saturday, in which he apologized to customers for the "horrible experience" they have had to endure, going on to thank them for their "understanding and patience", Efe news reported on Sunday.
The airline said there is a "significant" amount of delayed baggage at Heathrow, which it is working to deliver to its owners via couriers as soon as possible.
Spanish-listed shares of parent company IAG (icagy), which also owns carriers Iberia, Aer Lingus and Vueling, dropped 2.7% on Monday after the outage.
"We've tried to call them on the numbers they give and all we've got is the same recorded message which then cuts off at the end".