Duncan Smith (Dublin Fingal, Labour) | Oireachtas source

Without getting into the number of flights being cancelled because that has been answered it seems they are predominantly transatlantic flights, albeit a relatively small number. They are not impacted by Heathrow hubs or the issues on mainland Europe. Surely staff on those flights are not disproportionately impacted by Covid compared to staff on any other flight. Why are the transatlantic flights being cancelled?