Here's your bill from delta

Please don't freak out, but the variant may have just cost you $5,000

More than a quarter of U.S. travelers have canceled or changed plans because of the COVID delta variant, according to new research by TripIt.

Of those who changed or canceled plans, 27 percent lost money, TripIt says. Some travelers lost up to $5,000.

No wonder travelers are still worried. Here's what's keeping them up at night.

But even so, people are mak…