While long term population trends have not been quantified, Pacific-slope flycatchers are a species of Least Concern by the IUCN Redlist. They are not listed under the U.S. Endangered Species act or the Convention on International Trade in Endangered Species. They are listed and protected under the U.S. Migratory Bird Treaty Act. Breeding Bird Survey data show no significant declines of this species between 1966 and 1996.
US Migratory Bird Act: protected
US Federal List: no special status
CITES: no special status
State of Michigan List: no special status
IUCN Red List of Threatened Species: least concern