{ "$schema": "https://json-structure.org/meta/core/v0/#", "$id": "https://raw.githubusercontent.com/api-evangelist/airflow/refs/heads/main/json-structure/airflow-task-instance-state-structure.json", "name": "TaskInstanceState", "description": "All possible states that a Task Instance can be in.\n\nNote that None is also allowed, so always use this in a type hint with Optional.", "type": "string", "enum": [ "removed", "scheduled", "queued", "running", "success", "restarting", "failed", "up_for_retry", "up_for_reschedule", "upstream_failed", "skipped", "deferred" ] }