Pilots rarely adhere to the standard 40-hour work week. Due to constant changes in airline itinerary and frequent shifts in schedules from weather and equipment malfunctions, pilots may work late at night, on weekends, and even on holidays. In the case of commercial airline pilots, FAA regulations require an eight-hour break between shifts which may result in overnight stays in distant cities or countries. Most pilots will fly between 75 and 80 hours per month. They are limited to a total of 100 hours per month, or 1000 hours in one year.
