United Airlines announced the cancellation of 26 flights and reported over 370 delays on October 31, 2025, causing disruptions across major domestic and international airports. The impacted hubs include Chicago, Newark, San Francisco, and Houston, as well as international destinations like Munich and Amsterdam. The airline attributed the suspensions to 'public demand' without providing further clarification. The widespread disruptions have led to passenger inconvenience and are expected to affect tourism in the impacted cities. This event is part of a broader trend of travel disruptions, with thousands of passengers affected by cancellations and delays across several U.S. airlines due to a combination of factors. There is no specific information available regarding the market's reaction to this particular set of cancellations.