Travelers hitting the road with their mobile electronic devices have three questions about staying connected away from home: will there be Wi-Fi, how much will it cost and how well will it work?

Increasingly, it is that last question that matters most.

Hotels, airports and airlines are struggling to keep up with customers streaming movies on their tablets and hosting online meetings on their laptops, with varying degrees of success. While hoteliers and airport authorities have been fighting the bandwidth battle for years, airlines are still installing Wi-Fi on many aircraft and are already confronting challenges.

Tags: wi-fi