Different air travel demand elasticities are associated with different uses. When consumers are choosing between airlines on a route, or even between destinations for travel, there is a degree of price elasticity for airline seats. However, if all competitors on a route, or if a wide range of routes all experience the same proportionate price increase, the demand for airline services becomes less elastic. As a price increase is extended to ever larger groups of competing airlines or competing destinations, then the overall demand for air travel is revealed to be somewhat inelastic