British Airways also said it would reduce flights by 4 percent until the end of May.

British Airways confirmed the investigation and said it was cooperating.

British Airways said 221 flights, carrying 33,000 people, might have been affected.

British Airways says the court ruling came too late for the planes to be re-instated.

British Airways recently said it would test the televisions later this month on some international routes.

British Airways said yesterday that March traffic fell 11.4 percent from a year earlier.

This year, British Airways said, the benefits could reach $105 million as the companies learn to work more closely together.

British Airways, which has already eliminated 10,000 jobs in the last year, said it would speed plans for another 3,000 layoffs.

British Airways said it intended to press its case and participate fully in the investigation.

British Airways said its yield, or average revenue per passenger, fell 5.8 percent in the first quarter.