Canceled, delayed flights are likely over July 4 holiday weekend. What to know about your rights

cnbc.com:

A busy holiday weekend may be marred by flight delays and cancellations for thousands of travelers — and experts suggest that consumers understand their financial recourse ahead of time should their travel plans get interrupted.

«It's good for people to know they have rights,» said Teresa Murray, consumer watchdog at the U.S. PIRG Education Fund. «That way they're empowered to stand up for themselves.»

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Over 2.8 million travelers are expected to pass through airport security checkpoints on Friday — a single-day record, according to the Transportation Security Administration.

The TSA is prepared for «sustained higher passenger volumes» throughout the summer, with June 29 through July 5 being the busiest period.

This comes as severe storms and staffing shortages have already derailed thousands of flights this week. Storms are forecast across swaths of the U.S. heading into the weekend.

A technology issue may also snarl air travel this weekend. Starting Saturday, wireless carriers will be allowed to boost their 5G signal power, and planes that aren't retrofitted with certain equipment to prevent interference from such transmissions won't be allowed to land when visibility is poor, as during bad weather, said Transportation Secretary Pete Buttigieg.

«It's a whole mix of factors,» said Kimberly Palmer, personal finance expert at NerdWallet. «We do expect to see a lot of delays, unfortunately.»

Travelers impacted by a flight disruption may have some recourse. But the rules differ depending on