United Airlines flight 175 Hijacked flight 175 seconds before crashing into the South Tower of the World Trade Center in New York City, September 11, 2001; the billowing smoke is from American Airlines flight 11, which struck the North Tower. (more) United Airlines flight 175 terrorist hijacking, New York City, New York, United States [2001] Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/topic/United-Airlines-flight-175 Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type Select a type (Required) Factual Correction Spelling/Grammar Correction Link Correction Additional Information Other Your Feedback Submit Feedback Thank you for your feedback Our editors will review what you’ve submitted and determine whether to revise the article.

　　External Websites Ask the Chatbot a Question Written by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... The Editors of Encyclopaedia Britannica Last Updated: Aug 15, 2025 • Article History Table of Contents Table of Contents Ask the Chatbot United Airlines flight 175, domestic passenger flight that was hijacked on the morning of September 11, 2001, as part of a coordinated terrorist attack on the United States by al-Qaeda. The plane was flown into the South Tower of the World Trade Center (WTC) in New York City. Shortly before, another hijacked plane, American Airlines flight 11, had flown into the North Tower of the WTC. The crashes and subsequent collapse of both towers resulted in the deaths of 2,753 people, per official records. It is the deadliest aviation disaster in history. Note: All times listed are Eastern Daylight Time. ...(100 of 206 words)

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