Greek ATC Strike Causes Delays, Flexible Rebooking

Greek air traffic controllers staged a 24-hour strike on October 1, 2025, disrupting flights across the country.

On October 1, 2025, Greece’s air traffic controllers launched a nationwide 24-hour strike that led to delays at Athens International Airport (IATA: ATH, ICAO: LGAV) and several regional airports. Airlines and passengers reported waiting lists and re-sequenced departures, with some flights held for up to two hours as controllers reduced traffic flows.

Aegean Airlines and Olympic Air responded by offering affected travellers free ticket changes or credit vouchers for impacted flights. Both carriers urged customers to check apps and official alerts before leaving for the airport. The Hellenic Civil Aviation Authority (HCAA) said the strike’s final status depends on a pending court decision; that ruling could change how long the disruption lasts.

What passengers should do during the Greek ATC strike

Expect fluid schedules: arrive earlier than usual, verify connection windows, and keep mobile notifications enabled. While large-scale cancellations were limited during the 24-hour action, operators warned that times could shift quickly if the legal situation changes.

Check your flight status with your carrier and airport — Greek ATC strike updates can alter departure times.
Use free rebooking options or vouchers from Aegean Airlines and Olympic Air when eligible.
Prepare for busy customer-service lines: have booking references and ID ready, and consider digital check-in.

Official channels remain the best source of truth: airline notifications, airport advisories at Athens and regional fields, and statements from the HCAA. If the court rules against the action, normal operations may resume fast; if upheld, further industrial measures are possible. Passengers with imminent travel plans should monitor their airline and airport for live updates.