With less than 24 hours until a potential pilots' strike, Air Transat has now cancelled a dozen flights that were scheduled for Tuesday and six others scheduled for Wednesday.

The airline has cancelled Tuesday flights from Toronto Pearson to Manchester, U.K.; Montreal to Málaga, Spain; Toronto Pearson to Lisbon; Montreal to Paris; Toronto Pearson to London Gatwick; and Montreal to Lima. Other flight cancellations for Wednesday are listed here .

Previously announced cancellations included round trip flights between Montreal and Cancun, Toronto Pearson and Cancun, and Montreal and Punta Cana.

Amélie Héroux-Gauthier, a Gatineau, Que., resident who is getting married at a resort in Mexico this week, is among those worried that her Air Transat flight will get cancelled.

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