IRISH companies have been hit hard after a shock global IT outrage as passengers faced travel delays and flights cancellations.
The tech crash grounded flights due to take off this morning, while bus services and banks also felt the impact of the disruption.
Long passenger queues have formed at Dublin Airport as some airlines are having issues with their check-in process.
Airport bosses have added extra staff to help with flight cancellations.
They said: “Due to a global IT issue, some airlines are experiencing issues with their check-in processes this morning.
“Passengers are advised to stay close to their airlines via their websites and social media feeds, for advice and updates on specific flights.
“Ryanair is advising any passengers due to travel today to arrive at the airport three hours before their scheduled departure time and to check-in manually in the terminal.
“Dublin Airport’s standard passenger advice applies for all other passengers: arrive two hours before a short-haul flight and three hours before a long-haul flight.
“Dublin Airport has deployed additional staff in the terminals to help airlines and passengers. We thank everyone for their patience.”
Ryanair chiefs apologised to passengers experiencing disruption.
They said: “We’re currently experiencing disruption across the network due to a Global 3rd party IT outage which is out of our control.
“We advise all passengers to arrive at the airport at least three hours before their scheduled departure time.
“If you’re due to travel today and have not already checked-in for your flight, you can do so at the airport.
“We sincerely apologise for any inconvenience caused as a result of this Global 3rd party IT outage.”
Whiteboards are being used at Belfast airport as all the screens are out of action.
Airport officials said: “The Airport continues to remain operational with passengers being processed as normal.
“The airport is part of a global aviation network that is still experiencing disruption so delays and cancellations can be expected. Please check with your airline for the latest updates.”
Transport for Ireland warned commuters that their Leap card top-up app and the TFI Live app is down.
TFI said: “We apologise for the inconvenience caused this morning to our customers unable to use our TFI Live and TFI Leap Top-up mobile apps.
“There is a global outage affecting multiple countries at the moment. We don’t have an estimated resolution time.”