The problem has left an unknown number of passengers stranded or delayed while waiting to board international flights.
The carrier stated that some customers had rescheduled flights and offered hotels to those who" could not continue their travels. " Customers are asked to refer to the British Airways website to check their flight status. The airline said it was "very patient in the disruption" to passenger travel plans. British Airways was forced to cancel more than 100 flights last August when its computer systems crashed.
In 2017, it canceled flights from London's Heathrow and Gatwick airports following "a major failure of the IT system" that caused major disruption to its global operations, placing 75,000 customers.