By Harry R. Weber -- AP Airlines Writer

ATLANTA (AP) — Fares, fees and destinations aren't the only things that vary by airline.

The width of your seat, the amount of legroom and the entertainment options available can make the time, well, fly by — or make a long flight feel a lot longer.

Legroom is important to many fliers. Seat pitch — the space between a point on one seat and the same point on the seat in front of it — can mean more legroom, but that is also affected by the thickness of the seat back.

Most coach seats on major airlines are 17 to 18 inches wide. Seat pitch ranges from 30 to 34 inches in most cases, depending on airline and aircraft.

Industry expert Terry Trippler says a lot of passengers tell him you can't beat Northwest Airlines' Airbus A330 coach section seating. "No one is more than one seat from an aisle," he said.

Aircraft specs are often available on airline Web sites, and some airlines tell you at the time of booking what type of aircraft you will be flying.

SeatGuru.com offers information about airplane seating, in-flight amenities and other airline information.

Here's a look at how eight major U.S. carriers stack up in some comfort features for coach passengers, and the options and policies some have if you need more room.

AirTran Airways

Currently, all of its coach seats are fabric, spokesman Christopher White said.

If a passenger has difficulty with seating, the airline will accommodate the person as it would anyone with a special need, White said.

AirTran has announced plans to have Wi-Fi available for a fee on all 136 of its aircraft by midsummer. Free satellite radio already is available on all its flights — and the earphones are free. Baby changing tables are available in the bathrooms.

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