The chart and table show the infomation about customers satisfaction levels with arilines and services in the US in 1999, 2000, and 2007.

The chart and the table illustrate how satisfied customers felt with the national airlines and five air travel services in the US between 1999 and 2007. Looking at the chart and the table, it is immediately obvious that the percentage of satisfied customers increased throughout the years, and they were most satisfied with the service from staff. In terms of airlines, the trend is opposite. In 1999, the figure for happy customers was 65%, which rose slightly to 72% in 2007. By contrast, the proportion of dissatisfied people was only a half in 1999, at 32%, then gradually declined to 24% in the last year. Regarding air travel aspects, flight attendants was constantly the best service with satisfaction level at 88% in 1999, which then peaked at 92% in 2007. The similar trends were witnessed in check-in/out agents and schedules, and the proportions were always more than 75%. The figure for ticket price was 45% in 1999, then jumped significantly to 65% in 2007. Comfort of seats experienced the lowest percentage of 47% in the last year the period given.