Holiday travelers flying through San Francisco International Airport and other top-ranked airports for weather-related delays may face disruptions during the busy travel season. December is particularly prone to weather-related delays, with 23.6% of flights affected during the month, compared to 22.6% in January. Airlines such as Alaska Airlines and United Airlines also reported higher shares of weather-related delays, which could further impact passengers' travel plans. Travelers are advised to prepare for potential delays and monitor flight statuses closely.