Three passengers tested positive for COVID-19 in the early hours of January 5, 2021, but all arrived at SEA on January 4, 2021.
The first passenger arrived on Alaska Airlines flight #2141 from Phoenix Sky Harbor International Airport (PHX), and moved through concourse C, bag claim and the international ticketing area.
The second passenger arrived on American Airlines flight #2141 from O'Hare International Airport (ORD), and moved through concourse D, bag claim and the international ticketing area.
The third passenger arrived on Alaska Airlines flight #417 from Pittsburgh International Airport (PIT), and moved through North Satellite/the N Gates, bag claim, the USO and the international ticketing area.
A fourth passenger tested positive for COVID-19 in the pre-security area of the terminal.
