Ms. Gates, a regular train rider, initially expected the service to work as smoothly as Wi-Fi on JetBlue or Virgin America airlines, but she has given up on it and bought a wireless card from Sprint.

ECONOMIST: Business travel

In addition to Delta Airlines, US Airways and Virgin America, Gogo is expected to launch ATG-4 service on American Airlines and United's p.s. fleet in 2013.

ENGADGET: Gogo launches next-gen in-flight internet, with better speeds and more capacity

We've seen it in airlines with brands like Virgin America.

WSJ: The Rise of the Rent-a-Porsche