The baggage carousel empties out. Every other passenger has grabbed their bag and walked away. Yours never came. That sick feeling in your stomach is valid — but panic won't help. Knowing exactly what to do next will.

Lost luggage is more common than airlines like to admit. In 2024, airlines mishandled roughly 6–7 bags per 1,000 passengers globally, according to SITA's Baggage IT Insights report. On a flight carrying 200 people, that's statistically one or two bags going astray on every single departure. The good news: around 95% of delayed bags are returned within 48 hours. The bad news: the other 5% requires you to fight for compensation.

Here's the full playbook.

Step 1: Don't Leave the Airport

This sounds obvious, but it's the mistake most travelers make. The moment you suspect your bag is missing, go straight to the airline's baggage claim office — before exiting the secure area if possible, or immediately after clearing customs.

What to bring to the desk:

Your boarding passes (all legs of the journey)
Your baggage claim tags (the sticky strip the agent gave you at check-in)
A photo ID
Your itinerary and hotel address

Tell the agent your bag is missing. They'll search their system using your bag tag number. If the bag doesn't appear at your destination, they'll file a Property Irregularity Report (PIR) — also called a baggage irregularity report. This is your legal paper trail. Do not leave without it.

Get the PIR number, the agent's name if possible, and a written copy of the report. Take a photo of it.

Step 2: File the Claim Properly

Most airlines have a 24–48 hour window for filing a delayed baggage report, and a strict 7–21 day window for a "lost" bag claim (where the airline officially declares it lost). Miss these deadlines and your compensation options evaporate.

Key Timelines by Regulation

Situation	Deadline to File
Baggage delayed (US domestic)	Before leaving airport, or within 24 hrs
Baggage delayed (international)	Within 21 days of scheduled delivery
Baggage lost (international, Montreal Convention)	Within 21 days of scheduled delivery
Baggage damaged	Within 7 days of receiving the bag

Montreal Convention is the international treaty governing air passenger rights. It sets the maximum compensation at around 1,288 Special Drawing Rights (SDR) — roughly $1,700–$1,800 USD at current rates. For US domestic flights, DOT regulations apply with different rules.

Step 3: Document Everything You Packed

This is where most people lose the most money — they can't prove what was in the bag.

Immediately after filing your report, sit down (coffee shop, hotel lobby, anywhere) and write a detailed list of everything in the bag. Be specific:

"Sony WH-1000XM5 headphones, purchased December 2023, ~$280 value"
"Nike Air Max 90, size 11, black, ~$130"
"3 dress shirts (Uniqlo), ~$30 each"

If you have purchase receipts in email, screenshot them now. If you use cloud storage for photos, look for photos of your bag and its contents. Airlines will ask for this later.

Step 4: Buy What You Need — And Keep the Receipts

Airlines are required to reimburse you for "reasonable" emergency purchases if your bag is delayed. This typically covers essentials: toiletries, underwear, one or two outfits, and critical items you need for your trip.

What's usually reimbursable:

Toothbrush, toothpaste, deodorant, shampoo (~$30–50)
Underwear and socks (2–3 days worth)
One or two basic outfits appropriate to your trip
Any medication you need immediately that was in your checked bag

What airlines often reject:

Expensive clothing or shoes beyond "essential replacement"
Items you'd want anyway (perfume, luxury brands)
Electronics

Keep every single receipt. Take photos. Submit them with your claim. Airlines typically allow $50–200 per day for essentials during a delay, though this varies by carrier and fare class.

Step 5: Track Your Bag's Status

Most major airlines now have bag tracking:

Airline	Tracking Method
American Airlines	aa.com/bagtracking or app
Delta	delta.com/us/en/baggage/delayed-baggage
United	united.com/bagstatus
Lufthansa	lufthansa.com/baggage-tracing
British Airways	ba.com/baggage-tracing

Enter your last name and PIR reference number. This updates in real time as your bag moves through the system. If it's been located, the airline will usually deliver it to your hotel for free.

Step 6: Submit Your Expense Claim

Once your bag is returned (or declared permanently lost), submit your full expense claim to the airline. Most airlines have an online form in their baggage claims section.

Your claim package should include:

Copy of your PIR
Receipts for all emergency purchases
Itemized list of bag contents (for lost bags)
Proof of value for high-value items (receipts, credit card statements, photos)
Your travel insurance policy number if applicable

Pro tip: If the airline rejects your claim or lowballs you, escalate. File a complaint with the DOT (for US flights) at transportation.gov, the UK CAA, or the relevant national aviation authority. Airlines respond more favorably when a regulatory body is involved.

Step 7: Claim on Your Travel Insurance or Credit Card

This is where smart travelers recover far more than the airline's baseline compensation.

Travel insurance policies with baggage delay/loss coverage often pay out faster and more generously than airlines. Check your policy for:

Baggage delay coverage (kicks in after 6–12 hours of delay)
Baggage loss coverage (pays out after bag declared lost, usually 21 days)
Maximum per-item limits (often $250–500 per item)

Credit card travel protections — if you paid for your flight with a premium travel card — may cover the gap. Cards like the Chase Sapphire Reserve, Amex Platinum, and Capital One Venture X include lost/delayed luggage insurance that can pay up to $3,000 per passenger.

Call or message your card's benefits line the same day your bag goes missing. They'll open a claim and guide you through documentation.

What Happens If Your Bag Is Permanently Lost?

If your bag isn't found within 5–21 days (varies by airline), it's officially declared lost. Now you're entitled to compensation for the full contents up to the Montreal Convention limit (~$1,800 USD).

The airline will ask for:

Itemized list of contents with values
Proof of purchase for high-value items
Your PIR number
Any insurance documentation

Negotiation is normal here. Airlines often open with a low offer. Counter with your documented list. If you have credit card or travel insurance coverage, the combination of airline + insurance compensation can fully cover most losses.

How to Prevent Lost Luggage: For Your Next Trip

Lost bags aren't entirely random. These habits dramatically reduce your odds:

Check in early. Bags checked less than 45–60 minutes before departure are at high risk of being left behind.

Use a bright or distinctive bag. Black suitcases are the hardest to spot and the easiest to accidentally grab. A distinctive color, pattern, or ribbon makes yours stand out.

Attach a luggage tracker. Apple AirTag, Tile Mate, or Samsung SmartTag cost $20–30 and slip inside your bag. Airlines now support AirTag sharing in some apps (Lufthansa, United). You'll know exactly where your bag is before the carousel stops.

Take a photo of your packed bag contents. Before every trip, spend 30 seconds photographing the inside of your checked bag. It takes minimal time and becomes invaluable if you ever need to file a claim.

Put essentials in your carry-on. Medications, a day's worth of clothes, chargers, valuables — anything you can't survive a few days without should fly with you in the cabin.

Planning a Trip? Build a Smarter Packing List First

One of the overlooked benefits of an AI trip planner is help with the logistics that make or break a trip — including what to pack. Faroway builds personalized itineraries that factor in weather, activities, and accommodation type, so you know exactly what to bring (and what can stay home). A smarter packing list means a lighter bag, which means avoiding checked luggage entirely on shorter trips.

If you're planning your next adventure, use Faroway to build a custom itinerary and packing checklist so you arrive prepared — not scrambling at the baggage carousel.

Quick Reference: Lost Luggage Action Checklist

[ ] File a PIR at the baggage desk before leaving the airport
[ ] Get your PIR number and a written copy
[ ] Document all bag contents immediately (with values)
[ ] Buy essentials and keep every receipt
[ ] Track bag status through airline's website or app
[ ] Submit expense reimbursement claim within 21 days
[ ] File a claim with travel insurance or credit card benefits
[ ] If bag declared lost, submit full contents claim and negotiate
[ ] For future trips: AirTag, distinctive bag, contents photo, essentials in carry-on

The system is frustrating. The paperwork feels endless. But airlines have lost your property and they're financially obligated to make it right. Show up organized, document everything, and don't accept the first lowball offer.

What to Do If Your Luggage Is Lost: A Step-by-Step Guide