Aer Lingus has fixed a problem with its website and app.
All Aer Lingus flights are operating as normal today. The Aer Lingus website, mobile app and self-service kiosks are now fully available for customers to check-in and manage their bookings.
— Aer Lingus (@AerLingus) April 6, 2023
The airline says flights are expected to operate as normal today - though with a risk of some delays.
It's apologised - and says customers should allow extra time for check in, and check their local airport's website for flight information.
The problem may cause issue with check-in at airports.