Tracking Your Checked Bag: The Changi Baggage Tracker and the Tag Number You Need

You hand your bag over at check-in, watch it disappear down the belt, and for the next several hours you have no idea where it is. Most of the time that does not matter. When it does matter, the first question at the baggage hall is always the same: which bag, and what number is on its tag? The people who can answer it in ten seconds get helped faster than the people searching their pockets.

Changi Airport now offers ways to follow a checked bag on the Singapore end of a journey. This post covers what the official pages say they do, what they do not do, and the small habit that makes all of them work: knowing where your bag tag number is before you leave the check-in counter.

The short answer

• Changi's Baggage Tracker, inside the Changi App, gives status updates on your bag using "a combination of information provided by the airline you travel on and Changi Airport's baggage system", according to Changi Airport's own page.
• You scan or type in your bag tag number, which is on the sticker you are given at check-in, and switch on notifications.
• The page says you can track bags for up to 3 days after your flight.
• Coverage depends on the airline and terminal. Some airlines have limited tracking, so check the airline list on the page before counting on it.
• Changi also runs a WhatsApp baggage arrival service, described on its page as a trial, for travellers landing at Changi without the app. It is not available for connecting passengers.

Find the tag number before you walk away from the counter

Everything above starts with the number printed on the baggage sticker the check-in agent gives you. Sometimes it is stuck to the back of your boarding pass or passport cover, and sometimes it is a separate slip. It is easy to lose, because it looks like a receipt and gets shoved into a pocket with the other paper you are handed at the counter.

1. Photograph the tag sticker at the counter while the agent is still there. If a digit is unclear you can ask straight away.
2. Check the number matches the bag. The tag on the handle and the sticker in your hand should carry the same number. If they differ, say so before you leave the counter.
3. Check the three-letter destination on the tag. It should be your final destination if your bags are checked through, as the post on connecting flights and checked baggage explains.
4. Keep the sticker itself somewhere other than the checked bag. The photo is a backup, not a replacement, because a baggage counter may want to scan or see the original.

How to use the Baggage Tracker

The steps, as Changi describes them, are short.

1. Install the Changi App before you fly, not at the belt.
2. Open the Baggage Tracker and scan the tag number or type it in.
3. Turn on notifications so the status reaches you without you watching the screen.

Try it once with a bag you are checking on an ordinary trip. That way the first time you use it is not the day something has gone wrong and you are standing in a hall with a low battery.

What it is not

A tracking screen is a status display, not a guarantee of anything, and the official page itself lists caveats worth taking seriously.

• It depends on the airline's data. Changi says the tracker combines airline information with its own baggage system. Some airlines have limited availability for departures or arrivals. If yours is one of them, do not read a blank screen as a lost bag.
• Connections are the weak spot. Changi says transfer passengers should confirm at the transfer counter that the bag is checked through to the final destination, because the tracker may show a bag delivered to an intermediate belt. A bag showing as delivered at a stop is not necessarily a bag that has reached you.
• The window is finite. Tracking runs for up to three days after the flight, according to the page. If a bag has still not appeared by then, the tracker is no longer the tool.
• It does not replace the report. If your bag does not arrive, the process is unchanged: stay in the baggage area and go to the counter, as set out in what to do in the first 24 hours when your bag did not arrive at Changi.

The WhatsApp service, and who it is for

Changi's page for the WhatsApp baggage arrival service describes it as a trial. You scan a QR code or open the WhatsApp link, then send either your arrival flight number or a photo of your baggage tag. The page says the service then sends alerts about baggage belt details and timing, including when the first bag appears on the belt, estimated presentation times, belt numbers and delay notices.

Two limits are worth noting. It is described as currently unavailable for connecting passengers, and it is aimed at travellers who do not use the Changi App, which offers tracking of an individual bag. If the final notification has come and your bag has still not arrived, the page tells you to go to the Lost and Found counters. That is the same advice as everywhere else: do not leave the baggage area without speaking to someone.

If the tracker shows nothing and the belt is empty

At that point the tracker has told you what it can. Take the tag sticker to the counter, because the tag number is what lets staff look the bag up. Changi's lost-and-found page lists contact numbers for each terminal's handling agent, and it also says that if you have contact details on a luggage tag inside your bag, contacting the right handling agent helps them identify it. That is one more reason to put your name and phone number inside the bag as well as on an outside tag, since outside tags can come off in the baggage system.

If a bag on the belt looks like yours but the number on its tag differs from the sticker in your hand, do not take it. The steps for the case where someone took your suitcase by mistake are worth reading before you ever need them.

More than one checked bag

Each checked bag gets its own tag and its own number, so tracking a family's or a couple's luggage means entering every number, not one. Write them down or photograph each sticker, and note which number belongs to which bag. If two of you check bags separately, share the numbers, so that either of you can look up either bag. It also helps at a counter: "the black case, number ending in these digits, and the blue one, number ending in those" is a much easier report to file than two vague descriptions. The post on splitting luggage between travellers covers why spreading a trip's clothes across both people's cases helps when one bag runs late.

Before your next flight: a checklist

1. Install the Changi App and read the current airline list for your terminal on the Baggage Tracker page.
2. At check-in, photograph the tag sticker and confirm the number and destination.
3. Keep the sticker outside the checked bag.
4. Put your name and mobile number inside the bag as well as outside.
5. Photograph the packed bag before you close it. It helps the description later, as covered in what happens to checked luggage in the hold.
6. Switch on Baggage Tracker notifications after check-in, and remember that on a connection you should ask at the transfer counter whether the bag is checked through.

Choosing a case and wondering what to put on it? Message us on WhatsApp, or have a look at the VOX shop.