Alaska, Horizon filling up planes

If your Alaska Airlines' flight seemed fuller than normal last month, it wasn't your imagination.

The SeaTac-based airline, Sea-Tac ’s busiest, reported Wednesday that 87.4 percent of its seats were filled with paying passengers last month. That’s 3.1 percent over July last year and a record for the airline.

For the year through July, the airline reported 82.8 percent of seats were filled by paying passengers, a 4.4 percentage point increase over the first seven months on 2009.

Overall, traffic at the airline was 11 percent greater in July this year than in the same month last year. Capacity rose 7.1 percent.

Alaska’s sister carrier, Horizon Air, reported 81.6 percent of its seats were filled last month compared with 80.6 percent in July 2009.