FRANCE – Paris – French trade unions have called upon Lufthansa staff employed at Paris Charles de Gaulle Airport to participate in strike actions from November 20 from 5 pm to 7 pm, November 21, 22, 23 from 7 am to 9 am; and all day on November 24. As a result of this strike, flights to and from Paris may be disrupted. Flight re-scheduling, delays and cancellations are to be expected. Recommended to reconfirm flights if travelling to/from Charles de Gaulle Airport on the above days.
http://www.lufthansa.com/de/en/Travel-information#ancAbT1