What are your rights if an airline loses your luggage? You watch the carousel go round, then round again, then stop — and your bag isn’t there. It’s stressful, but it’s also a well-trodden path with clear rights and a good recovery rate (the vast majority of “lost” bags are just delayed and turn up within days). Here’s exactly what to do and what you’re entitled to.

Immediate action at the airport (do not leave without doing this)

1. Go to the airline’s baggage desk before leaving arrivals. This is critical — file a Property Irregularity Report (PIR) and get the reference number. Without a PIR, claiming later is much harder.
2. Give a good delivery address — your hotel or home, somewhere you’ll actually be.
3. Photograph your baggage claim tags and keep your boarding pass.
4. Ask about immediate essentials money — many airlines offer a small immediate payment or amenity kit for delayed bags.

What are my rights if an airline loses my luggage? The legal position

Under the Montreal Convention (which covers international flights including UK ones), the airline is liable for delayed, damaged or lost baggage up to ~£1,400 per passenger (1,288 SDR — the exact sterling figure floats with exchange rates). Key points:

• Delayed baggage: the airline must cover reasonable essentials (toiletries, basic clothing) while you wait. Keep receipts — “reasonable” means necessary, not a shopping spree, but don’t suffer in silence either.
• Officially “lost”: after 21 days, a delayed bag is declared lost, and you can claim for its full contents up to the liability limit.
• Damaged baggage: report within 7 days of receipt.
• Delayed baggage claims: make the written claim within 21 days of getting the bag back.

The CAA’s baggage rights page is the authoritative UK reference.

The realistic timeline

• Days 1–3: most delayed bags are located and delivered. The airline’s tracking system usually finds them quickly — misrouted bags mostly just missed a connection.
• Days 4–21: the bag is officially “delayed”. Buy what you need, keep receipts, chase the airline regularly with your PIR reference.
• After 21 days: declared lost. File a detailed contents claim with evidence of value (receipts, photos, bank statements).

Claiming for essentials and contents

• Essentials while delayed: buy reasonable necessities — underwear, basic toiletries, a change of clothes. Keep every receipt. Claim from the airline (not your travel insurance first — the airline is primarily liable).
• Full contents claim (if lost): list everything with approximate values. Photos of you wearing the clothes, receipts, and bank statements all help. Be honest — inflated claims get scrutinised.
• Travel insurance: often covers baggage too, sometimes with higher limits or fewer hoops — check your policy (travel insurance guide). You can’t profit by claiming from both, but insurance can top up or cover excesses.
• High-value items: the liability limit won’t cover a bag full of designer gear. Valuables, electronics and jewellery should be in hand luggage — and separately insured if valuable.

Prevention: making loss less likely and less painful

• Fly hand luggage only where possible — the ultimate prevention.
• Remove old baggage tags — stray barcodes send bags on adventures.
• Use a distinctive bag or strap — black suitcases are camouflage; make yours identifiable.
• Put a luggage tag INSIDE the bag too — external tags get ripped off.
• Photograph your packed bag before closing it — invaluable for contents claims.
• AirTag/Tile trackers: won’t prevent loss, but knowing your bag is in Madrid when the airline says “we’re looking” is powerful leverage.
• Allow generous connection times — tight connections are the #1 cause of delayed bags.

Luggage FAQs

How common is lost luggage, really? Less common than it feels — the vast majority of mishandled bags are reunited within 48 hours. Truly lost (never recovered) luggage is rare. The system works; it’s just stressful while it’s working. A tracker (AirTag/Tile) dramatically reduces the anxiety — you can see where the bag is even when the airline can’t tell you.

What should never go in checked luggage? Medications, valuables, electronics, important documents, jewellery, and anything irreplaceable (sentimental items). Plus enough for 24 hours (toiletries, change of clothes, chargers) in your hand luggage — the delayed-bag survival kit. This single habit neutralises 90% of luggage misery.

Can I claim for a delayed bag on the way home? Technically yes, but “reasonable essentials” when you’re home with a full wardrobe is a harder claim — the airline will (fairly) question what you needed to buy. The rights are strongest when you’re away from home without your things.

What if the airline loses my bag on a codeshare or multi-airline trip? The last carrier (the one that was supposed to deliver it) is generally responsible, but you can claim against any of the carriers on the ticket. File the PIR with the airline at your arrival airport regardless — they’ll sort out liability between themselves.

How do I prove what was in the bag? The photo-before-you-close-it habit is the gold standard. Failing that: receipts, bank/credit card statements showing purchases, photos of you wearing the clothes. Be thorough and honest — claims assessors see thousands of these and can spot inflation, but they also pay legitimate claims routinely.

The 24-hour delayed-bag survival kit

Pack this in your hand luggage and a delayed bag becomes an inconvenience, not a crisis: a change of clothes (or at least fresh underwear), basic toiletries (toothbrush, deodorant, moisturiser — travel sizes), phone charger and power bank, any essential medications (never check these), contact lens supplies or spare glasses, and a few snacks. It’s the “what if my bag doesn’t arrive” kit — and honestly, it’s worth packing for every trip regardless. The travellers who suffer most from delayed luggage are the ones who checked everything and carried nothing. The kit weighs under 2kg and lives at the top of your bag for easy access. Combined with the PIR filed at the airport, receipts kept for everything you buy, and the 21-day rule understood, you’re fully covered. Most bags turn up within 48 hours — the kit just makes those 48 hours comfortable instead of miserable. Prevention (see hand luggage only) remains the best strategy, but the kit is the best backup.

The practical takeaway

If an airline loses your luggage: file the PIR at the airport before leaving, buy reasonable essentials and keep receipts, chase with your reference number, and know the 21-day rule (delayed becomes “lost”, triggering the full contents claim up to ~£1,400). Most bags turn up within days — but act promptly regardless, photograph your packing, and consider a tracker. For the claims process in general, claiming flight compensation follows similar principles — and the best prevention remains hand luggage only.