Fixed infrastructure costs are difficult to shrink
A safe runway, navigation systems, fire coverage and security cannot always be scaled down in proportion to passenger numbers.
A few routes can determine the year's result
Smaller airports may depend heavily on one airline, one seasonal market or one connection to a national hub. Losing that service can have an outsized financial effect.
Public-service value may justify support
Governments can view an airport as essential for regional connectivity, medical access, tourism or economic development even if it would not be profitable on a stand-alone basis.
Commercial revenue still matters
Parking, car rental, food outlets, property leases and business aviation can diversify income, though the opportunities are smaller than at major airports.
Low-cost carriers can transform traffic quickly
A base or new route from a large low-cost airline can bring significant passenger growth, but it may also increase dependence on one negotiating partner.
Viability is not the same as high profitability
Some regional airports are sustainable because their economic role is broader than their direct operating margin. The relevant question is who benefits and who pays for the infrastructure.
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