### Body

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<img width="1286" alt="Screenshot 2023-08-11 at 21 54 25" src="https://github.com/apache/airflow/assets/45845474/2cdba81e-9cea-4ed4-8420-1e9ab4c2eee2">


### Committer

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"""Shows landing times."""
        dag = get_airflow_app().dag_bag.get_dag(dag_id, session=session)
        dag_model = DagModel.get_dagmodel(dag_id, session=session)
        if not dag:
            flash(f'DAG "{dag_id}" seems to be missing.', "error")
            return redirect(url_for("Airflow.index"))
        wwwutils.check_import_errors(dag.fileloc, session)
        wwwutils.check_dag_warnings(dag.dag_id, session)
        default_dag_run = conf.getint("webserver", "default_dag_run_display_number")
        base_date_str = request.args.get("base_date")
        num_runs = request.args.get("num_runs", default=default_dag_run, type=int)
        if base_date_str:
            base_date = _safe_parse_datetime(base_date_str)
        else:
            base_date = dag.get_latest_execution_date() or timezone.utcnow()
        root = request.args.get("root")
        if root:
            dag = dag.partial_subset(task_ids_or_regex=root, include_upstream=True, include_downstream=False)
        tis = dag.get_task_instances_before(base_date, num_runs, session=session)
        chart_height = wwwutils.get_chart_height(dag)