Operating a Boeing 777 is an expensive undertaking, with total hourly costs in 2026 typically ranging from $18,000 to $22,000 per flight hour. This figure is a "fully burdened" cost that includes several major categories. Fuel is the largest variable expense, often accounting for $6,000 to $8,000 per hour depending on current oil prices and the aircraft's weight. Maintenance reserves—funds set aside for major engine overhauls and airframe checks—can add another $3,000 to $4,500 per hour. Crew costs, including salaries and benefits for two to four pilots and a large cabin crew, typically hover around $2,000 to $2,500 per hour. Additionally, airlines must factor in ownership costs (leasing or depreciation), which add roughly $2,000 per hour, plus insurance and navigation/landing fees. The specific model makes a difference: the older 777-200ER is generally more expensive to maintain but cheaper to lease, while the newer 777-9 (777X) offers better fuel efficiency but carries much higher acquisition costs. For a major carrier like United or Emirates, flying a 777 is a high-stakes business where every minute of flight must be optimized to ensure profitability.