Traffic in Malaysia is heavily concentrated: Kuala Lumpur International Airport (KUL) alone handles about 57.1 million passengers a year, roughly 95% of the 60 million across the 4 airports listed here. That pattern is typical of a country with one dominant hub carrier feeding a single gateway.
Between them these airports operate 6 runways serving 4 cities, and the country spans 2 time zones, so a domestic flight here can change your watch. Every airport below links to a live map of aircraft observed within available ADS-B coverage around the field.
The next airport in the ranking is Langkawi International Airport (LGK) at about 2.6 million passengers. The gap to KUL is 54.5 million, while the three busiest airports account for roughly 100% of traffic represented by this list. Most listed traffic is therefore concentrated at the top of the network.
The airports are spread across roughly 5 degrees of latitude and 11 degrees of longitude. The network is geographically compact enough that most domestic sectors remain comparatively short. Field elevations vary less dramatically than they do in the world's mountain-airport networks. The average across this selected set is 1.5 runways per airport.
Read airport by airport, the selected Malaysia network is not interchangeable: Kuala Lumpur International Airport (KUL) has 3 runways and about 57.1 million annual passengers, Langkawi International Airport (LGK) has 1 runway and about 2.6 million annual passengers, Senai International Airport (JHB) has 1 runway and no comparable traffic figure and Kuching International Airport (KCH) has 1 runway and no comparable traffic figure. Those differences matter when comparing a live map. A larger passenger total indicates schedule scale, while runway count describes physical layout; neither number by itself proves how delayed, connected or operationally efficient an airport will be on a particular day.
With 4 gateways in this data cut, the Malaysia hierarchy is readable directly: KUL contributes 95% of the represented passenger total, LGK contributes 4% of the represented passenger total, JHB contributes 0% of the represented passenger total and KCH contributes 0% of the represented passenger total. That makes KUL the first gateway here without reducing LGK to a minor field, since its traffic is about 5% of KUL's.
The physical ranking differs from the traffic ranking: KUL has 3 listed runways, LGK has 1 listed runway, JHB has 1 listed runway and KCH has 1 listed runway. JHB is the highest of the group at 135 ft, against 29 ft at LGK. Those facts describe layout and setting, not a live capacity forecast; weather, active runway configuration and traffic flow still decide what a viewer sees on the map at a given hour.