{"url_path":"/sec/ual/10-k/2026/item-4","section_key":"item-4","section_title":"Item 4 MINE SAFETY DISCLOSURES.","topic":"sec","document":{"doc_type":"10-K","doc_date":"2026-02-12","source_url":"https://www.sec.gov/Archives/edgar/data/100517/0000100517-26-000023-index.html","accession_number":"0000100517-26-000023","cik":"0000100517","ticker":"UAL","issuer_name":"United Airlines Holdings, Inc.","edgar_url":"https://www.sec.gov/Archives/edgar/data/100517/0000100517-26-000023-index.html","primary_entity_key":"0000100517","primary_entity_name":"United Airlines Holdings, Inc."},"word_count":9,"has_tables":true,"body_markdown":"ITEM 4.    MINE SAFETY DISCLOSURES.\n\nNot applicable.\n\nPART II"}