Air
France has estimated that last month's strike will cost it about €500m (£393m)
in lost revenue.
The
struggling French flag carrier was in dispute with pilots over plans to expand
its budget subsidiary Transavia.
Finance
director Pierre-Francois Riolacci said there would be an immediate impact of
about 320-350m euros, plus loss of future business.
Shares
in Europe's second-biggest airline fell 2.53% on Wednesday following the
announcement.
The
company has already cut its profit target for 2014.
Air France
said that total passenger traffic fell