How to Compute Air Miles
- 1). Locate your flight reservation and check the total mileage. Airlines show you the total amount of time and distance you are traveling during your flight, including layovers. Use this to see how many reward miles you are accumulating on your flight.
- 2). Use an online mileage calculator to determine the miles flown on your flight. Online flight calculators display the total number of miles between airports worldwide.
- 3). Enter your departure and destination cities and calculate your miles by clicking the "Calculate" button. View the number of miles accumulated during your flight.