How to Find Lost Luggage: A Practical Guide to Tracking Down Your Bag

The baggage carousel stops, your bag isn’t there, and the airline tells you it’s “being traced”. What does that actually mean — and what can you do to speed things up? Here’s how to find lost luggage, from the report at the airport to escalating if the bag stays missing.
The short answer
To find lost luggage: report it at the airport and get a file reference, give a detailed description, track it online with your reference, share tracker locations if you have one, follow up regularly and politely, and escalate if needed. Most mishandled bags are delayed rather than lost for good — SITA’s 2025 report found most are resolved within 48 hours.
What happens behind the scenes
| Step | What the airline does |
|---|---|
| Your report | Creates a file (often in SITA’s WorldTracer) with your bag tag number and description |
| Matching | Compares your file with bags found without owners across airports |
| Searching | Checks connecting airports, transfer areas and the origin airport |
| Forwarding | Sends the bag on the next available flight once located |
| Delivery | Delivers to your address or asks you to collect |
The key identifier is the bag tag number on your check-in receipt. Keep it.
Step 1: Report it before leaving the airport
At the airline’s baggage desk, file a missing-bag report (Property Irregularity Report). You’ll get a file reference. Our guide to the first 24 hours covers this in detail.
Step 2: Give a detailed description
Colour, brand, size, material, wheels, straps, stickers, tags — and a few distinctive contents. The more unique, the easier the match. How to make your luggage stand out.
Step 3: Track it online
Most airlines have a baggage tracking page where you enter your file reference. Status updates can lag, so don’t panic if it says “searching” for a day.
Step 4: Use your tracker
If there’s an AirTag or other tracker in your bag:
- Check its last known location.
- Share it with the airline if they accept it. How to share an AirTag location with an airline.
- Give specifics: “Showing at Terminal 2 baggage area at Frankfurt.”
TagTrek turns any item into a smart QR tag. If it's lost, whoever finds it can reach you in seconds — no app, no account, no GPS tracking.
Step 5: Follow up effectively
- Call or message daily with your reference number.
- Ask specific questions: “Has it been located? Which flight is it on?”
- Keep notes of who you spoke to and when.
- Update your contact details and delivery address if you move on.
Step 6: Escalate if needed
If there’s no progress after several days:
- Contact the airline’s customer relations team in writing.
- Mention the delay’s impact and your expenses.
- After 21 days, you can treat the bag as lost under the Montreal Convention and claim for its value. Lost luggage compensation.
- Use your travel insurance or a national complaints body if the airline doesn’t resolve it.
Why some bags are never found
A small share of bags are never reunited — often because tags were torn off and there’s no identification on or inside the bag. That’s why a contact method inside and outside your bag matters. Staff who open an untagged bag need a way to identify the owner. What to put on a luggage tag.

The bottom line
To find lost luggage, report it at the airport, describe it in detail, track it with your reference, share tracker locations, follow up daily and escalate after a few days. Most bags come back within a couple of days — and good identification makes it faster.
TagTrek makes your suitcase easy to identify and return: attach a printed QR tag outside (and a spare inside), switch it to Lost mode as soon as the bag is missing, and anyone who scans it — airline staff or a stranger — can contact you instantly without an app. You’ll get a scan alert showing the city where it was scanned.
Frequently asked questions
How do airlines find lost luggage?
Airlines match missing-bag reports with unclaimed bags using bag tag numbers, descriptions and shared systems such as SITA's WorldTracer, and search airports along your route.
How do I track my lost luggage?
Use the file reference from your missing-bag report on the airline's baggage tracking page. If you have a tracker in the bag, you may be able to share its location with the airline.
What should I do if the airline can't find my bag?
Follow up regularly with your reference number, provide extra details or tracker locations, escalate to customer relations, and after 21 days you can treat the bag as lost and claim compensation.
What are the chances of getting lost luggage back?
Good. Most mishandled bags are delayed rather than permanently lost, and many are returned within a couple of days.
Never lose your bag again
TagTrek turns any item into a smart QR tag. If it's lost, whoever finds it can reach you in seconds — no app, no account, no GPS tracking.
See how TagTrek works →