Airplane Mode and Onboard Wi-Fi: What Changes and What to Check

Airplane mode helps disable your phone's cellular connection in flight. You can separately enable Wi-Fi when the airline permits it: joining an onboard network does not require restoring ordinary mobile service.

Device rules depend on the carrier, aircraft equipment and crew instructions. The airplane icon alone does not tell you which wireless functions remain enabled. Check the settings on your own device.

Why crews ask for airplane mode

Using electronics in flight involves assessing their compatibility with aviation systems and potential radio interference. Airlines establish permitted conditions for their aircraft. This does not justify claiming that one forgotten phone inevitably causes an accident, or treating crew instructions as optional.

For example, the US Federal Aviation Administration requires devices to be in airplane mode or have their cellular connection disabled. Wi-Fi is permitted when the aircraft has an installed system and the airline allows it. This is FAA guidance, rather than a description of every country's legislation.

Read your carrier's instructions before flying. On board, comply with requests to switch off or stow a device and pay attention to the safety briefing. Our guide to getting through the airport on your first flight explains the wider sequence.

Cellular service, Wi-Fi and Bluetooth are separate

These are different connections. Airplane mode does not mean switching the phone off: downloaded files and apps with offline functions remain useful when device use is permitted at that stage of the flight.

Switch behaviour varies with the model, software version and remembered settings. Apple's instructions, for example, describe using Wi-Fi and Bluetooth in airplane mode if the airline allows them. Avoid assuming that the mode always disables every radio function.

Keep airplane mode enabled when joining permitted Wi-Fi. Use the separate Wi-Fi control and confirm that cellular service remains disabled. If the controls are unfamiliar, consult the manufacturer's instructions before travelling.

What onboard Wi-Fi actually offers

First establish whether the service is available on your flight and how to connect. Check the price, complimentary-access conditions, supported apps and restrictions. Access to text messaging does not promise video calls or every internet service.

Check onboard entertainment separately. For example, S7 describes connecting to S7 MediaHub after enabling airplane mode and Wi-Fi, with films, books and other catalogue content. A description of an entertainment catalogue alone does not establish access to any website.

Check the rules for app-based calls too. Cathay, for example, asks passengers not to use voice or video calls as a courtesy to others. Having Wi-Fi does not override carrier conditions or crew instructions.

Prepare your phone before boarding

Save travel documents, accommodation details and entertainment in advance. Confirm that files have actually downloaded rather than merely appearing in cloud storage. Check the ticket provider's accepted presentation method.

For city walks, try downloading your destination in RoadMe while you still have internet access. Then check its offline map on your phone.

Rehearse being offline: enable airplane mode, separately turn Wi-Fi off and open the necessary files and map. If something fails, reconnect, complete the download and test again. Our guide to preparing your phone for travel covers the details.

Charge the device and keep another accessible copy of essential information. On board, connect according to the airline's instructions and restore cellular service when the crew permits it. Check the next carrier's rules again if changing flights.