Thanks again for posting my updates regarding the WiFiStream Bunky! Here are a few more, including a 744 update:
319: ua.com shows N808UA, N839UA and N845UA have WiFiStream
320: ua.com shows N401UA, N413UA, N434UA, N442UA, N457UA, N458UA, N461UA and N476UA have WiFiStream
744: ua.com shows N119UA has WiFiStream in Y cabin