In January 1989 it commenced scheduled passenger-carrying operations in Western Australia via subsidiary company Qwestair, initially with a leased Beech 200 Super King Air flying between Perth and Telfer.

In 2005 another new type was added to the fleet when the company placed an Embraer EMB-120ER Brasilia freighter into service, for use on nightly flights between Sydney and Brisbane carrying Fairfax Media newspapers.

Also in 2007, Aspen Medical entered an existing joint venture between Pel-Air and CareFlight to operate air ambulance flights out of Darwin Airport using one of the Westwind aircraft.

[4] Fly-in fly-out operations expanded later that year when flights from Adelaide Airport on behalf of Iluka Resources commenced in August under a three-year contract.

[5] In April 2009 Regional Express Holdings announced that due to the cancellation of a number of contracts it would cease all scheduled Metro III freight operations at the end of May.

The deal included the entire Pel-Air fleet and the companies existing contracts to provide the Air Ambulance services for NSW, ACT and Vic Governments.