Because Amtrak trains operate on the same corridor all day, every day, Metrolink did not operate weekend service on the line. As part of a six-month trial program to determine demand, Metrolink added Saturday service on April 6, 2020. Permanent Saturday service started on May 29, 2021, with one round trip between LA Union Station and Moorpark. Service was extended to Ventura–East on August 9, 2021.
