Even as airport travel gets busier and more expensive, California airports are still leaving passengers satisfied after their flights. In fact, one airport in Southern California was rated the best in its class for passenger satisfaction.

Charlotte Douglas International Airport ranks below average for customer satisfaction among mega airports in the United States and Canada, according to a new J.D. Power survey. Why it matters: Charlotte's biggest issue is a problem every airport wants to have — it's seeing a record number of passengers,