LONDON — Flights were delayed and travelers struggled to check in at airports around the world on Thursday after a software program used by several major airlines went down.
The program, known as Altea and developed by a company called Amadeus, encountered problems as a result of what Amadeus called a “network issue.” Altea helps airlines manage customer reservations, including tagging luggage and issuing boarding passes.
Amadeus software is used by 189 airlines — including major carriers like British Airways, Lufthansa, Thai Airways and Air France — and Altea in particular is designed with full-service airlines in mind.
Problems were reported at airports in Asia, Europe and the Americas, demonstrating the breadth of the software’s use as well as the integrated nature of modern air travel.
Amadeus said in a statement that it had “experienced a network issue that caused disruption to some of our systems.” Technical teams had identified the cause of the problem and restored services, the company said, adding that services were gradually being restored.
By the afternoon in Europe, the company said it had resolved the issue and that its software was “functioning normally.”
The extent of the failures varied by airline and airport. The Star Alliance, which…