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WestJet uses only Boeing 737s in its fleet, with over 50 of them in three different models, for different seat capacity. All of the planes are configured in a single class of service, and more than 85% of the WestJet fleet has leather seats and live seatback television.

The Boeing 737-800 is the largest plane in WestJet's fleet, with a passenger capacity of 166, primarily used on long-haul routes. WestJet configured all of their Boeing 737-800s with a very generous 34 inches of pitch, near the top end of North America Coach products.

You will most likely notice the tall blended winglets at the end of the wings. Not only do these winglets give the plane a very distinctive look, they also increase lift, improve fuel efficiency, lower emissions and reduce engine-maintenance costs, which directly lead to lower operating cost. These are some of the many reasons that airlines such as WestJet and Southwest decided to invest in these optional winglets.