Originally Posted by
eponymous_coward
AA and AS will have plenty of service to IAD or DCA once things are “normal”. AS’s service to YVR from SEA doesn’t work well with CX. Probably easier to just clear at SFO or LAX (AS/AA connectivity for SFO/LAX is leaps and bounds better than at YVR).
CX's partnership with AC would give some additional options for YVR-SEA I think.
EDIT: Or not, I guess that partnership is for domestic Canada flights only? Can't seem to book anything SEA-YVR-HKG on AC+CX except via OTAs.