Fuel is the volatile part of airline unit costs, but non-fuel costs make up the bulk and keep rising.
What this shows: The chart covers 1995 Q1 to 2025 Q3. It plots Fuel cost per available seat-mile (¢) and Non-fuel cost per available seat-mile (¢) on a vertical axis of Cents per available seat-mile (¢). Latest values: Fuel cost per available seat-mile (¢) 2.83; Non-fuel cost per available seat-mile (¢) 14.33. Data run through 2025 Q3.