[4] IAG announced the launch of Iberia Express on 6 October 2011, leading to strike action by pilots in late December 2011 due to concerns over potential job losses caused by the new airline.

[5] Aircraft from other Iberia routes would be switched to the new subsidiary, and new pilots and cabin crew hired to operate the flights.

[7] The new airline began operations with a fleet of four Airbus A320 aircraft using a two-class Business and Economy configuration.

As of September 2020, the following destinations are served by Iberia Express:[8] As of November 2023[update], the airline's fleet consists of the following aircraft:[11] Iberia Express was recognized as the most on-time airline in Europe for 2023.

[12] Cirium identified the airline's on-time performance rate at 84.58%, whereas the average for Europe was 80.82%.