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Strike on September 18: delays and flight cancellations at Paris area airports

undefined undefined 13 septembre 2025 undefined 07h30

The Editor

If you were planning to extend your summer and go on vacation on September 18th, you might need to rethink your plans. Following the national mobilization on September 10, 2025, another one is scheduled for next Thursday. Several unions in the airline sector have filed a strike notice for that day, putting air traffic flow at risk. Orly and Roissy-Charles de Gaulle airports are not expected to escape this. Let’s take a look.


Flight Delays and Cancellations to Expect

A massive mobilization is anticipated at Roissy-Charles de Gaulle, Orly, as well as in Lyon, Toulouse, and Nice on Thursday, September 18. Expect flight cancellations, delays, complications during connections, and longer wait times at security checks… The risks of disruptions are numerous.

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By adding up the mobilizations on September 10 and 18, the General Directorate of Civil Aviation (DGAC) estimates that 40% of scheduled flights could be canceled in Paris and Lyon.


The new government measures under scrutiny 

On Thursday, September 18, it’s notably the SNCTA, the main union for air traffic controllers, that is calling for a national strike throughout the day, along with the unions FO Air France and CFDT Air France. This new mobilization responds to the budgetary measures proposed by the government, which would particularly affect the salaries of air traffic controllers. The unions are also denouncing inadequate working and safety conditions and are calling for investment in digital and technical tools that...

would help reduce the pressure felt by employees. 

To check the status of your flight, keep an eye out for an email or SMS from your airline. You can also track the situation on certain apps like FlightAware or FlightRadar