Can you use your phone on a plane? Yes, and here's what actually happens

The answer is more interesting than the announcement suggests. Yes, you can use your phone on a plane, at every stage of the flight, as long as airplane mode is on. What most passengers never hear is that the evidence behind the rule is thinner than you would expect, that Europe is quietly dismantling it, and that forgetting it tends to cost you rather than the aircraft.

Why do you have to put your phone on airplane mode?

The official reason is interference. A phone that cannot find a mast (one of the ground towers that carry your mobile signal) will turn its signal up to full power to keep searching. The longstanding worry is that a few hundred phones searching for a mast at the same time could disturb the communication systems pilots use to navigate.

So why does the rule still exist?

When the US aviation regulator went looking for proof, its 2012 review found practically no confirmed cases of a phone disrupting an aircraft, and planes have only become better shielded since. The UK Civil Aviation Authority and its US counterpart the FAA keep the rule anyway, on the sensible grounds that a pilot should never have to wonder what that clicking in their headset is while taking instructions from air traffic control.

The quieter second reason is social. A plane where 200 people can make voice calls is a plane full of other people's conversations, and neither airlines nor regulators are in any hurry to create it. Airplane mode keeps the cabin calm, and everyone involved rather likes it that way.

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What are the rules on most flights?

For most airlines, the rule is that your phone can stay on and in use for the whole flight, as long as it sits in airplane mode from the moment the doors close until you land.

Putting your phone in airplane mode is important because it switches off the parts of your phone that transmit a signal: the mobile connection, Wi-Fi and Bluetooth. These wireless connections are the only parts of your phone that can cause problems for an aircraft. Everything that doesn't need a connection keeps working. So, during the flight you can still take photos, watch downloaded films, play offline games and set alarms, all without touching a single rule.

Can you use Wi-Fi and Bluetooth in airplane mode?

Switching on airplane mode does not mean losing Wi-Fi and Bluetooth for the whole flight. Once airplane mode is on, you can switch Wi-Fi and Bluetooth back on individually, and nearly every airline allows this. Wi-Fi and Bluetooth signals are far weaker than a mobile signal, so they will not interfere with the aircraft. The only connection that must stay off for the whole flight is the mobile network, which is the connection your ordinary calls and texts use.

What happens if you forget airplane mode?

The plane will not crash. Your phone spends the flight hunting for a signal it cannot find, which flattens the battery, and in rare cases the crew hears a faint buzz in their headsets. That is the full extent of the drama.

The real consequence usually arrives on your phone bill. A connected phone can latch onto a foreign mast during descent, or onto an onboard network mid-flight, and both can trigger roaming charges. Since most UK providers brought back EU roaming fees, even a short European hop can cost you, and onboard networks bill at satellite rates, often by the megabyte.

Tip: switch to airplane mode while you are still at the gate rather than waiting for the announcement. Your battery lasts longer, your downloads finish on the airport Wi-Fi, and there is nothing to remember mid-scroll.

What Are the Dangers of Using a Cellphone in Flight?

Although modern planes are equipped with advanced technology that can resist external interference, the potential risk of electromagnetic interference (EMI) still exists.

The potential dangers associated with using cell phones on a plane are primarily related to the risk of EMI and potential distractions. As discussed, modern aircraft are designed to withstand external interference. However, there's still a possibility that cell phones, with their various frequencies and unintentional signal transmission, could interfere with critical aircraft systems.

Regarding distractions, cellphone use, particularly when making voice calls or engaging in activities like texting or browsing the internet, can divert passengers' attention from important safety announcements or instructions provided by the cabin crew. In an emergency situation or during unexpected turbulence, passengers need to be fully attentive and ready to follow safety procedures promptly.

It's worth noting that the risks associated with cellphone use on planes are primarily precautionary measures rather than confirmed instances of incidents caused by cell phone interference. Nonetheless, adhering to the regulations and guidelines set by aviation authorities helps maintain a secure travel environment for everyone on board.

Do the rules differ between the UK, the EU and the US?

Sharply, and the gap widens every year.

Europe is slowly making airplane mode optional. The European Commission has set aside radio frequencies for mobile use on board, including 5G, and equipped aircraft carry a miniature mast in the cabin called a pico-cell. Your phone connects to the pico-cell at very low power. Then the pico-cell routes everything to the ground by satellite, and the interference question disappears because nothing on board is straining to reach the ground.

The US is holding the old line. The FCC bans mobile connections from the air outright, so whatever you have grown used to on European carriers, airplane mode is not optional on an American one.

Can you text or get online during the flight?

Not over the mobile network, on most aircraft. Airplane mode cuts the connection, and at cruising altitude there is no mast in reach anyway. Nothing is lost, though. Texts sent to you simply wait, and they arrive on their own once you land and switch airplane mode off.

The plane's own Wi-Fi is the workaround. If your aircraft offers onboard Wi-Fi, iMessage, WhatsApp and similar apps work normally, and some airlines let you message for free even when they charge for browsing. Availability depends on the specific aircraft, so check your airline's website before you fly, and download anything important beforehand. If you are curious what is actually beaming the internet into a metal tube at 900 km/h, our guide to how planes have Wi-Fi explains it.

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Do I Have Cell Service While Flying?

Generally, traditional cellular service, which enables voice calls and text messaging, is not available while flying. When an aircraft reaches cruising altitude, it moves out of the range of terrestrial cell towers, making it challenging for cell signals to reach the plane. Additionally, the cabin's structure may further impede cell signal reception. Therefore, you rarely have access to cell service for voice calls or text messages during a flight.

Do I Have Internet Access While Flying?

While traditional cell service may not be available during a flight, many airlines offer in-flight internet access through a wifi service. This allows you to connect your devices to the onboard Wi-Fi network and access the internet while flying. In-flight Wi-Fi services use satellite or ground-based systems to establish a connection between the aircraft and the Internet.

You can use this internet access to browse websites, check your emails, use messaging apps, and access various online services. However, it's important to note that internet access may come at an additional cost, and the availability and pricing of in-flight Wi-Fi typically varies between airlines.

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Is there Wi-Fi on the plane?

The availability of wifi on a plane depends on the airline and the specific aircraft. Many commercial airlines now offer in-flight Wi-Fi services on select flights, allowing you to stay connected during your journey. If you've ever wondered "How do planes have wifi?", it's made possible through the use of specialised technology and systems that establish a connection between the aircraft and the internet.

To determine if your flight offers Wi-Fi, it's recommended to check with the airline prior to your travel. The airline's website or customer service representatives can provide information about wifi availability and pricing, and instructions on how to connect to the onboard Wi-Fi network.

It's important to keep in mind that the quality and speed of in-flight Wi-Fi can vary depending on the aircraft's location, the number of users connected to the network, and other factors. Some airlines may also offer different packages or plans for in-flight Wi-Fi, allowing passengers to choose the option that best suits their needs.

Where to find airplane mode on your device

iPhone and iPad: swipe down from the top-right corner and tap the airplane icon, which turns orange when active. You can also find it at the top of Settings.

Android and Samsung: swipe down for Quick Settings and tap the airplane icon. In menus, Samsung files it under Settings > Connections, Pixels under Settings > Network & Internet.

Laptops: Windows has an airplane mode switch behind the taskbar's network icon. Macs have no single switch, so turn off Wi-Fi and Bluetooth separately for the same result.

Watches, hearing aids and smart rings: Apple Watch and Android watches have the same icon in their quick settings. Bluetooth hearing aids and rings like the Oura manage it through their companion apps, where it doubles as a battery saver.

Once airplane mode is on, tap Wi-Fi and Bluetooth back on if you want them. The mobile connection stays off, which is the part the rule cares about.

The bottom line on phones at 35,000 feet

Keep your phone on, keep airplane mode on, and switch Wi-Fi back on if the flight has it. The rule costs you almost nothing to follow and, in Europe at least, it is slowly retiring itself.

Your rights as a passenger are the part that does not change. Under UK261, the law protecting air passengers on UK flights, a delay over 3 hours, a short-notice cancellation or an overbooking can entitle you to between £220 and £520 (€600), depending on distance. You can check what the airline owes you from the same phone you just put in airplane mode, and the claim stays valid for years after the flight, whether or not your phone was on when it happened.

FAQ

Below you can find some commonly asked questions and their answers surrounding mobile phone use on a plane:

Does airplane mode save battery?

Noticeably, yes. The endless signal search is one of the biggest drains on a flight, so stopping it makes your charge last longer, and the same effect means your phone charges faster from the seat-back USB port.

Can you charge your phone on a plane?

Most modern aircraft have USB ports in the seat back, and many add mains sockets in some cabins. Power banks fly in your cabin bag only, never in checked luggage, a rule airlines enforce strictly because of battery fire risk.

Will your alarm go off in airplane mode?

It will. Alarms, timers, the camera and anything downloaded all run without a connection, so sleeping through a long-haul flight carries no risk beyond the usual one of airline coffee.

 Can I use my cellphone in flight mode?

Yes, you can use your cellphone in flight mode during a flight. Flight mode is the same as airplane mode, which we discussed previously. This mode allows you to use your smartphone for activities that do not require network connectivity, such as playing games, accessing offline content, or taking photos.

What happens if I use my cellphone on an airplane?

Typically, nothing much will happen if you use your cell phone on a plane. However, it's important to note that collective mobile phone use on an aeroplane can potentially interfere with aircraft systems and communication. The signals emitted by cell phones, particularly during voice calls or data transmissions, could interfere with the sensitive electronic equipment used in aircraft navigation and communication systems. It's important to follow airline regulations and switch your device to airplane mode during critical flight phases, such as takeoff and landing.

Can you text on a plane?

In general, traditional texting services that rely on cellular networks aren't available during a flight. Once the aircraft reaches cruising altitude, it moves out of the range of terrestrial cell towers, where cell signals struggle to reach the plane. However, as mentioned, some airlines offer in-flight wifi services that enable you to use messaging apps and internet-based messaging services.

What happens when you don't put your phone on airplane mode while flying?

When you don't put your phone on airplane mode during a flight, while unlikely, it can potentially interfere with the aircraft's systems. This interference may disrupt critical communication and navigation systems, leading to potential safety risks and operational issues. To prevent any potential interference, even if for precautionary purposes, it's important to follow airline regulations and switch your cell phone to airplane mode or turn it off completely during the specified flight phases.

Will the plane crash if I use my phone?

If you've ever wondered if you can you use your phone on a plane, it's likely that you've also contemplated what will happen if you do. The good news is, the possibility of a plane crashing solely because of your use of a cell phone is highly unlikely. However, the restriction on the use of cell phones during critical flight phases is in place to mitigate any potential risks of interference and to ensure the safety and reliability of flight operations. 

Following airline regulations with regard to cell phone use is always recommended.

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