I also have to agree with mtacchi and yyzprincess but flying CX via YYZ or YVR will avoid the US immigration and custom formalities. Down side is that CX is with One World.
If you do not mind US immigration and custom formalities, SQ is the best choice to stay with *A for your status miles.
CX's YYZ departure is late in the evening and arrives early morning in HKG 2 days later. The schedule is most efficient to allow you to put in a full day's work before departure and immediately upon arrival. However, the tech stop at ANC is an inconvenience. AC used to have a flight at similar time via YVR but AC moved it to a morning departure some time ago.
CX has one of the best J lounges in HKG.
Don't even think about taking AC015 and AC016 even though in theory, these are your best route to HKG. The A345 deployed on this route is extremely unreliable unless you like playing musical chair with your J seat when there is an equipment substitution.
Until AC is able to complete its cabin refurbishment, both CX and SQ are superior to AC in seating comfort and IFE.
CX operates out of T3 at YYZ.
Last edited by Clipper801; Jul 12, 2006 at 8:05 am