US Airways will add flight Wi-Fi next year.

PHOENIX Tempe based US Airways will add in flight Wi-Fi next year.USA Today says initially passengers on US Airways Airbus A321 jets on select domestic flights will have Wi-Fi.
Pricing will be detailed closer to the launch date.

Fliers with wireless devices will have access to the Web, instant messaging, email and VPNs.
The airline notes that its A321 jets are not equipped with power outlets. So you will need a backup power device.