Kota Kinabalu International Airport is the country's second busiest airport and East Malaysia's most important air hub
The city of Penang is served by the homonymous airport, currently the country's third busiest airport
A passenger is described as a person who departs, arrives or pass in condition of transit through any airport located between the borders of Malaysia at any point of time during a year. The data here presented includes total amount of departure, arrival and transit passengers for the years selected, and for both domestic and international flights arriving in scheduled and non-scheduled services.
The following is a list of 10 busiest airports in Malaysia in terms of number of commercial aircraft movements (take-off and landing).  Aircraft movement statistics for Senai International Airport is unavailable.
The following is a list of 10 busiest airports in Malaysia in terms of total aircraft movements (take-off and landing).  This may include commercial, private, training and military aircraft. Aircraft movement statistics for Senai International Airport is unavailable.
The busiest air route between two airports within Malaysia is the Kuala Lumpur - Kota Kinabalu sector. This sector is also the 45th busiest air route in the world for the period of August to September 2011. The second busiest route is the Kuala Lumpur - Kuching sector.
^Senai Airport, as well as Kerteh Airport, are the most important airstrips in the country not operated by Malaysia Airports Holdings Berhad. Senai Airport is operated by Senai Airport Terminal Services Sdn Bhd, and Kerteh Airport is owned and operated by Petronas. There were no data available for Kerteh Airport at the time of writing the article.
^Data from Senai International Airport are rounded off in its original source and taken from Senai Airport Terminal Services Sdn Bhd website in its section "Passengers".