Note: A domestic plane of around 100 passengers would by the MD-95 (Boeing 717) or the Embraer 190.
- Fuel costs remain the dominant (29%) cost assumed for flights. The important increase in jet fuel prices since 2000 has placed significant pressures on airfares.
- Salaries (20%) are the second most important cost.
- Ownership costs (16%) include buying, leasing and insurance costs.
- Fees and taxes (14%) are related to government oversight of the air transport system (e.g. air control), airport landing fees and security screening costs.
- Maintenance costs (11%) cover all the labor and parts required to keep planes in suitable operational conditions.
- Other costs (9%) include a variety of expenses related to inflight catering, airport gate fees and compensation paid to passengers (overbooked flight, lost luggage, etc.)