In 1983 Wardair were given permission to operate scheduled flights between Canada and the United Kingdom where as before they were classed as ABC flights as in 'Advanced Booking Charters'.
In addition to the regular Wardair departure airports such as London Gatwick, Manchester and Prestwick at the time scheduled flights were permitted additional UK airports were added to their network such as Belfast, Birmingham, Cardiff, Leeds/Bradford, London Stansted and Newcastle.
Wardair had during that period quite an extensive network of scheduled flights between the United Kingdom and Canada and were renouned for their in flight service and hospitality.
Of course CP Air had a large amount of flights also from the regions but those were still ABC flights.