WASHINGTON (AP) — Complaints about airline service to the Transportation Department rose 28 percent last year, according to an annual study of airline quality. How the nation's 16 largest airlines stacked up, based on the number of complaints per 100,000 passengers:
—Delta Airlines, 2
—United, 1.64
—US Airways, 1.53
—Continental, 1.48
—American, 1.44
—Comair, 1.25
—JetBlue, 1.25
—Frontier, 1.23
—Hawaiian, 1.16
—American Eagle, 1.03
—AirTran, 0.90
—Skywest, 0.61
—Atlantic Southeast, 0.54
—Mesa, 0.53
—Alaska, 0.44
—Southwest, 0.27