 The financial impact? Unions calculate it's about $21,000 a year in missed wages per person in any country. Scott Maimon for CBS News, Canberra, Australia. They're not going to work at Canada's second largest airline. WestJet has cancelled hundreds of flights after maintenance workers went on strike. Their union says the airline was unwilling to negotiate. The airline's CEO blames what he calls a rogue union from the US trying to make inroads in Canada. Lindy Kenyon, CBS News.