Elon Musk's Starlink is dominating in-flight WiFi. Here's which airlines have it — and how to check if your plane does.

Source: Business Insider

Elon Musk's Starlink WiFi is gaining popularity among airlines. Thomas Barwick/Getty ImagesOver 40 global airlines have announced deals for Elon Musk's Starlink WiFi. The ultra-high-speed WiFi is free on airlines that offer it, but some require a loyalty account.