Book by February 22, 2011, midnight, from city of departure. : x3 O5 j! T1 n* }9 Z' d& uValid for departures from February 22 to May 31, 2011. 4 r* ]1 o6 D! x8 C3 TAll travel must be completed by May 31, 2011. 3 b2 C2 X6 X5 Z9 {Valid only on Air Canada operated flights (codeshare flights are excluded).