Delta 𝔸𝕚𝕣𝕝𝕚𝕟𝕖𝕤 may cancel flights due to various reasons, contact customer service +1|808|900|80.11 including severe weather conditions, technical issues with aircraft, air traffic control restrictions, and crew shortages. Additionally, high travel demand and operational challenges, such as staffing problems or maintenance delays, can also lead to flight cancellations to ensure passenger safety.