Flight delays are increasing on major U.S. airlines, but fewer travelers are complaining.
The federal Department of Transportation said Tuesday that just 68.9 percent of flights arrived within 14 minutes of schedule in December, compared with 76.6 percent a year earlier. Cancelations rose, too.
For all of 2013, the on-time rate fell to 78.3 percent, a drop of 3.6 percentage points from 2012.
The government figures cover 16 airlines including all the giants and the leading regional carriers.
The Transportation Departments says complaints to the federal government are down 14.1 percent from 2012.