@MKroussie Welcome to AFF.
You need to provide your negative RAT documentation at check in.
A RAT taken at a pharmac_ should be sufficient as long as the correct documentation regarding your test result is provided by them,
There's more information here:
CDC travel recommendations during the COVID-19 pandemic.
www.cdc.gov
There are some real life experiences here:
How much before your flight did you arrive? How long for check-in? Then how long from Check-in until you were airside? My understanding is check in only open 4 hours before, but will 4 hours be enough? We got there three hours before our flight. I suggest going 4 hours just incase your...
www.australianfrequentflyer.com.au