Britons travelling with Ryanair today have been warned of serious delays. The airline said this is due to European ATC staff shortages beyond its control. The airline spoke of “delays across the network (Friday 5 July) due to repeated ATC staff shortages across Europe”. It added: “Ryanair, Europe’s No.1 airline, on Friday (5 July) apologised to its passengers for the excessive flight delays caused by European ATC staff shortages today Friday 5 July which are affecting all European airlines. “ATC services, which have had the benefit of no French ATC strike disruption this summer, continue to un…