You can disable schedules by tapping on the green switch next to them, this is useful if you might want to use the schedule again.
But if you want to delete the schedule completely then tap on the schedule that you want to delete, and you’ll see a trash can icon just below the section called Select days.
Summary

Article Name
How can I delete a schedule?
Description
• You can disable schedules by tapping on the green switch next to them.
• But if you want to delete the schedule completely then tap on the schedule that you want to delete, and you'll see a trash can icon just below the section called Select days.