Air Canada’s Aeroplan will no longer be partnered with China’s Shanghai Airlines as of October 31. That is the last day Aeroplan members will be able to earn miles on Shanghai Airlines while October 28 will be the last day members can redeem Aeroplan miles for Shanghai Airlines flights. Redemptions can be made for travel that is completed by October 31, 11. If you do redeem for flights on Shanghai Airlines be warned that no changes can be made to those reward tickets after October 28, 10.
Source: Aeroplan