Want to surf the Internet while you’re on a plane? You’re not alone — there’s a growing demand for in-flight Wi-Fi, and the airlines are stepping up to meet it. Currently there are three separate services — Gogo, Row 44 and LiveTV — that provide Wi-Fi on planes in U.S. airspace, and which ones that are available to you depends on your airline.

What are the differences between them? How much do they cost? And what can you do with that connection? We talked to reps from all three services, putting together all the information in a handy table. Hit the jump for the info, and the answer to the biggest question about airline Wi-Fi: Can it do VoIP?