EARNINGS ROUNDUP / AIRLINES

Three more airlines reported losses, bringing fourth-quarter red ink for the top nine U.S. carriers to $4 billion.

Alaska Air Group Inc., operator of Alaska Airlines and Horizon Air, said it swung to a loss of $75.2 million, or $2.08 a share, compared with a profit of $7.4 million, or 19 cents, a year earlier. Excluding special items, it posted a profit of $16.4 million, or 45 cents.

Continental Airlines Inc. said it lost $266 million in the quarter, or $2.33 a share, compared with a loss of $32 million, or 33 cents, a year earlier. Excluding charges of $170 million, Continental’s loss would have been $96 million, or 84 cents.

US Airways Group Inc. posted a $541-million loss, or $4.74 a share, compared with a loss of $79 million, or 87 cents, a year earlier. Not counting special items, US Airways said it would have lost $1.93 a share.