airflow tasks failed-deps  <dag_id> <task_id> <execution_date_or_run_id>
Returns the unmet dependencies for a task instance
Arguments
| Name | Description | 
|---|
| dag_id | The id of the dag | 
| task_id | The id of the task | 
| execution_date_or_run_id | The execution_date of the DAG or run_id of the DAGRun | 
Options
| Name | Description | 
|---|
| -h, --help | Show this help message and exit | 
| --map-index  <map_index> | Mapped task index | 
| -S, --subdir  <subdir> | File location or directory from which to look for the dag. Defaults to '[AIRFLOW_HOME]/dags' where [AIRFLOW_HOME] is the value you set for 'AIRFLOW_HOME' config you set in 'airflow.cfg' |