Yes, but with significant restrictions depending on the airline, aircraft, and flight phase.
General Rules (FAA/EASA/ICAO)
Takeoff & Landing: All personal electronic devices (PEDs) must be stowed or in airplane mode. Handheld consoles (Switch, Steam Deck, phones) can usually stay in hand if in airplane mode, but laptop-sized devices must be stowed.
Cruising Altitude: PEDs allowed in airplane mode. Bluetooth accessories (controllers, headphones) are generally permitted.
Gaming Laptops: Allowed at cruising altitude. Power outlets are rare in Economy; bring a high-capacity power bank (under 100Wh / 27,000mAh for carry-on).
Consoles (PS5, Xbox Series X):Not practical for in-flight use (no screen, power draw, size). Pack in carry-on (TSA allows).
In-Flight Entertainment (IFE) & Wi-Fi
Seatback Screens: Many airlines offer casual games (trivia, poker, simple arcade) via IFE—free.
Wi-Fi Gaming:Generally not viable for online multiplayer. Latency is 600ms+ (satellite) or spotty (air-to-ground). Bandwidth caps block downloads/streaming (GeForce Now, Xbox Cloud). Single-player cloud saves *might* sync slowly.
Pro Tips
Download all games/updates before airport Wi-Fi.
Enable Airplane Mode + manually re-enable Bluetooth for controllers.
Pack a portable charger (Power Bank) in carry-on.
Check your specific airline's PED policy (e.g., Delta, United, Emirates, Ryanair) 24h before flight.