"It would not surprise me if the average frequent traveler were losing 10 percent of his or her miles every year," he said.

The average traveler in Los Angeles experienced 72 hours of traffic delay per year according to the study.

This effectively rules out their use by the average American traveler.

The survey found that the average American traveler planned to travel four weekends this year, up from three last year.

Because the trips typically cost from $3,000 to $6,000 per person, the average traveler is a retired, well-to-do graduate about 65 years old.

Code sharing does not signify much to the average traveler.

It requires more language skills than the average traveler has and many ticket agents may not be familiar with the regulations for this.

In other words, though this may be cold comfort for the average traveler, the airport does a pretty good job with what it has.

John Braden, the airport's director of marketing, said the measures are adding about five minutes to the average traveler's trip.

Seven or eight hours is plenty for the average traveler.