All Nippon Airways (ANA) faced significant technical disruptions following a comprehensive refresh of its domestic reservation and fare system [1].

The failures disrupted essential travel functions, including flight bookings, ticket purchases, and the check-in process. Because these glitches affected the core customer experience for domestic travelers in Japan, the incident triggered both public frustration and corporate scrutiny.

The system overhaul took place on May 19, 2024 [1]. Following the launch, the airline encountered a series of bugs that led to widespread confusion among passengers. In response to the instability, ANA posted a formal apology on its corporate website to address the service lapses [1].

The fallout extended beyond the traveling public to the company's investors. During a shareholders' meeting held in June 2024, investors voiced sharp criticism regarding the execution of the system update [1]. The meeting served as a forum for shareholders to question the airline's technical readiness and the impact of the glitches on the brand's reputation.

ANA's CEO provided explanations during the meeting to address the concerns raised by the shareholders [1]. The executive said the causes of the technical failures and the steps taken to stabilize the domestic network were the focus. The airline's efforts to rectify the errors were central to the CEO's remarks as the company sought to move past the May 2024 disruptions [1].

ANA faced significant technical disruptions following a comprehensive refresh of its domestic reservation and fare system.

The incident highlights the high operational risk associated with 'big bang' system migrations in the aviation industry. For a carrier like ANA, which relies on high-frequency domestic precision, a failure in the reservation layer can quickly escalate from a technical bug to a corporate governance issue, as evidenced by the friction at the shareholders' meeting.