They got to fly private for an economy-class price. Two college students experienced VIP treatment on the cheap after a booking anomaly incredibly resulted in them getting a whole Southwest flight to themselves.

A Southwest Airlines plane and a private jet that entered the runway without authorization experienced a close call at Chicago Midway International Airport on Tuesday morning, the Federal Aviation Administration said.

"It was so cool. It was a really fun experience," Natalie Wolfley said. "Obviously, once in a lifetime, probably -- I don't know if I'll ever have that kind of experience again."