Greek Air Traffic Control Failure Triggers Widespread Flight Disruptions

Image: The Acropolis of Athens, Greece. (Photo Credit: Adobe Stock/milosk50)
Image: The Acropolis of Athens, Greece. (Photo Credit: Adobe Stock/milosk50)
Laurie Baratti
by Laurie Baratti
Last updated: 2:45 PM ET, Sun January 4, 2026

Air travel in Greece has been severely disrupted this weekend after a failure in the country’s air-traffic control system forced airlines to cancel, delay and divert hundreds of flights across the region.

Athens International Airport said operations were slowly beginning to resume on Sunday. “The Hellenic Aviation Service Provider started gradual release of some flights in accordance with air-traffic control capacity availability. Efforts for full restoration of the technical issues are continued,” the airport said.

Aegean Airlines, the country’s largest carrier, canceled dozens of flights, mostly to and from Athens. In a statement to passengers, the airline said a “technical issue affecting the radio frequency systems of the Hellenic Aviation Service Provider, which has been ongoing since the early morning hours continues to cause a significant reduction in capacity within Greek airspace”.

The disruption caused widespread diversions across Europe and the Mediterranean. Flights heading for Athens were sent to Rome and Dubrovnik. Passengers bound for Thessaloniki on SAS landed instead in Budapest, while a Transavia flight from Amsterdam was diverted to Tirana, Albania. A Vilnius-to-Heraklion service heading to Crete was rerouted to Larnaca, Cyprus.

Low-cost carrier Jet2 was among the airlines scrambling to aid stranded passengers. One British traveler, John Berry, told The Independent, “Hopefully we will still get home tonight. Just waiting for the flight LS1709 from Manchester to take off to collect us, as this is the last flight out of Athens for Jet2 until February.” That Jet2 recovery flight later departed and was scheduled to arrive in Athens around 7:00 p.m., about four hours behind schedule.

EasyJet also canceled flights from Manchester to Athens, notifying customers, “This is due to an ATH airport related airspace closure. The disruption to your flight is outside of our control and is considered to be an extraordinary circumstance.”

British Airways canceled one of its morning departures from Heathrow to Athens. Aegean, meanwhile, grounded its evening Athens-to-Heathrow flight, which also led to the cancellation of the overnight return to Greece.

Ryanair canceled several routes from Athens, including flights to Malta, Rome and Bologna.

Under European air passenger rights regulations, travelers whose flights are canceled are entitled to be rerouted on the next available flight — even on another airline if necessary — and must be provided with meals, accommodation and assistance while they wait.

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Laurie Baratti

Laurie Baratti

Assistant Editor

Laurie Baratti is an Assistant Editor for TravelPulse. She is a San Diego-based journalist whose work has previously appeared in publications like TravelAge West, SPACE, Modern Home + Living, Montage, and Sandals Life magazines. Travel writing has long been her passion, and she is always looking for excuses to explore the world outside of her native California. Laurie is also a lifelong equestrian, a proud pet-parent, and an underground advocate of the Oxford comma.

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