United 𝔸𝕚𝕣lines offers a 24-hour 𝐜𝐚𝐧𝐜𝐞𝐥𝐥𝐚𝐭𝐢𝐨𝐧 𝐩𝐨𝐥𝐢𝐜𝐲. You can cancel your 𝕗𝕝ight within 24 hours of booking without incurring any charges. You may cancel online or reach out to customer support at  +𝟭-𝟴𝟴𝟴-𝟴𝟮𝟵-𝟭𝟭𝟭𝟳®️(USA) or ++𝟭-𝟴𝟴𝟴-𝟴𝟮𝟵-𝟭𝟭𝟭𝟳®️  or +𝟏-𝟴𝟴𝟴-𝟴𝟮𝟵-𝟭𝟭𝟭𝟳 {UK}.for assistance.