American Airlines has quietly launched testing of complimentary inflight WiFi on select flights, marking the beginning of what will become one of the most significant connectivity upgrades in U.S.

American will start testing free inflight internet service on three routes next week. The carrier is under pressure to offer complimentary Wi-Fi as more airlines launch the service free of charge.

Anyone that's stood in line, patiently waiting for their zone to be called at an airport departure gate has likely seen a scenario when someone attempts to scoot ahead and board the plane before their ...