Air transport in courier service company is the process of shipping freight or express mail by air. It is a fast and reliable way of delivering goods across long distances, especially internationally. Air transport can be provided by two kinds of companies: integrators and passenger airlines. Integrators are companies that have their own fleet of planes, ground transportation, and personnel for door-to-door service. Examples of integrators are FedEx DHL and UED.
Air transport has many advantages, such as speed, security, flexibility, and reduced packaging costs. However, it also has some disadvantages, such as high fuel consumption, environmental impact, weather dependency, and limited capacity.