Air Ontario
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| Founded | 1958 (as Great Lakes Airlines) | ||||||
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| Commenced operations |
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| Ceased operations | November 1, 2001 (merged with Air BC, Air Nova and Canadian Regional Airlines to form Air Canada Jazz) | ||||||
| Hubs | Toronto Pearson International Airport | ||||||
| Frequent-flyer program | Aeroplan | ||||||
| Alliance | Star Alliance (affiliate; 1997–2001) | ||||||
| Parent company | Air Canada | ||||||
| Headquarters | |||||||
Air Ontario Inc. was a Canadian regional airline with its predecessor (Great Lakes Airlines) initially headquartered in Sarnia and later in London, Ontario. In 2002, Air Ontario became Air Canada Jazz.