Aeropuerto Internacional de Seattle-Tacoma

Cathay Pacific connecting to other airlines

Upon arrival, all transit passengers must proceed to the International Arrival Facility (IAF) baggage claim area to collect their checked baggage, even if it has been tagged through to the final destination.

After collecting their baggage, passengers should proceed to passport control. Once clearance is completed, follow the righthand corridor to recheck baggage at the designated baggage conveyor belt, undergo security screening, and then proceed to the departure gate for the connecting flight.
 

Other airlines connecting to Cathay Pacific

With an onward boarding pass 
Passengers transferring from other airlines to Cathay Pacific flights who already hold an onward boarding pass should proceed directly to the boarding gate for passport verification after disembarkation.

Without an onward boarding pass

Passengers transferring from other airlines to Cathay Pacific flights who do not hold an onward boarding pass should proceed directly to the boarding gate at least 60 minutes before the scheduled departure time, where the Airport team will conduct passport verification and issue the boarding pass.