Overview
- Arrivals and departures were suspended from about 9 a.m. local time as Greek airspace was largely cleared for safety.
- The Hellenic Aviation Service Provider began a phased release of some flights later in the day while communications work continued.
- Many inbound aircraft diverted to neighboring countries, and only certain overflights were handled under restrictions.
- Aegean Airlines canceled dozens of services and warned of reduced capacity, leaving thousands facing delays and rebookings.
- Officials described a technical failure under investigation, controllers pointed to aging equipment, and EU rules require airlines to provide duty of care even when cash compensation may not apply.