Often, on fuller flights, even the lower-level elites are shut out of the desirable economy-class seats.

Passengers with more than 100,000 miles will be guaranteed an economy-class seat.

"If you sit on the economy-class seats, you know it," she said.

"The bottom line is most people are far from being within the boundary of comfort" in any economy-class seat on an airplane, he said.

Depending on the model of the plane, economy-class seats are 17 to 18 inches wide.

Because of the length of the flight, the oxygen tank and equipment required more space than was available in an economy-class seat.

Air France permitted the family to buy an economy-class seat at a reduced rate to hold the tank.

Moments later she materialized above my economy-class seat.

Our guide said only economy-class seats were available, and that there would be no refund.

This time he said even economy-class seats were no longer available.