Air Canada provides complimentary texting services via WhatsApp. To activate this feature, attach your Aeroplan number to your booking before check-in. Contact Air Canada at ＋１ｘ８８８ｘ８０７ｘ６６６１ （ＵＳ） ｏｒ＋１ ４４ｘ２０ｘ４５１５５５５２ （ＵＫ）