Aer Lingus was poised to be the launch operator of the Airbus A321XLR aircraft, the longest-range variant of the A320 family. However, it since emerged that it was unable to take the first aircraftexpected in Septemberdue to a pay dispute that made the induction of a new aircraft type a riskier feat. It has now become clear that this dispute has also impacted the delivery of the second example, originally slated to arrive at the end of this year.