At which airport did two United Airlines flights collide on the ground on Labor Day?

The incident in question regarding the collision of two United Airlines flights on the ground occurred at San Francisco International Airport. This airport is a significant hub for United Airlines, making it a logical location for such events to occur, particularly given the high traffic associated with major travel holidays like Labor Day. The circumstances surrounding the accident highlight the challenges and risks associated with airport operations, especially during peak travel times.

The other airports listed, while important in their own right and home to United Airlines flights, did not experience this specific incident. Los Angeles, Chicago O'Hare, and Newark Liberty are all major airports with their own busy flight schedules, but the collision on Labor Day specifically took place in San Francisco, underlining its relevance in discussions of airport safety and incident occurrences.