Airflow: how to delete a DAG?

Question

I have started the Airflow webserver and scheduled some dags. I can see the dags on web GUI.

How can I delete a particular DAG from being run and shown in web GUI? I

Answer 1

You can clear a set of task instance, as if they never ran with:

airflow clear dag_id -s 2017-1-23 -e 2017-8-31

And then remove dag file from dags folder