This post originally appeared on Northeastern Global News. It was published by Beth Treffeisen.

Expect long lines, packed flights and top-dollar tickets if you travel by air this summer, according to travel experts. 

Ravi Sarathy, a Northeastern University in international business and strategy, is already loathing his next trip to Italy, which hasn't even begun. Air travel uncertainty has become so common that Sarathy believes he will encounter delays and cancellations. 

There are several factors in what is happening behind the scenes leading to this situation, says Sarathy. However, much of it boils down to air traffic control problems, high labor costs, high fuel costs, and a shortage of aircraft and pilots are leading to high demand and top-dollar tickets, he said. 

“My experience in the last few weeks is that flights are pretty full,” says Sarathy. “And you can see that at the airports in the TSA lines, even TSA PreCheck can be very crowded these days.”

Read more at Northeastern Global News