The Bureau of Labor Statistics, BLS, reports that airline pilots earned an average of $118,070 per year in 2011. The majority were employed by the scheduled air transportation industry and averaged $119,180 per year. This is far more than most commercial pilots, who reported an average income of $76,050 in the same year.
Exercise is also a type of physical activity, but there is the intent and purpose of improving certain aspect of health. Exercise is planned physical activity that leads to visible improvements in health and general well-being.
However, there is a simpler way to differentiate the two. Aerobic exercise is light activity you can sustain over long periods of time, such as jogging. Anaerobic activity is bursts of activity for short periods of time, such as sprinting.