Thousands of US Travelers Face Flight Cancellations Due to Weather-Related Issues During Busy July Fourth Weekend

On Thursday, more than 52,500 total flights are expected to take place, making it the busiest travel day of the long weekend.

As of Wednesday, 1,200 US flights were cancelled, with nearly 7,000 delayed.

By early Thursday, 344 flights within, into and out of the US had been cancelled, with at least 500 more delayed.

United Airlines cancelled 263 flights on Thursday.

Passengers have taken to social media to express their anger, with some vowing to never fly with certain airlines again.