Southwest Airlines has announced that it will be providing Wi-Fi access onboard all flights.

The airline has teamed up with Wi-Fi service provider Row 44 to roll out the program by the end of the first quarter of 2010.

Southwest have been testing the Wi-Fi service on four aircraft since the beginning of this year, with customers using the service for many applications including email and streaming video

The airline has been testing a variety of price points and will continue testing prices until the end of 2009.

The move will bring the number of airlines offering onboard Wi-Fi to three, along with American Airlines and Delta Airlines.

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