The short answer
Report the problem before you leave the airport and file a written claim with the airline that carried your last segment. The airline's payout is capped, with one ceiling for domestic trips and a different international one, and both are adjusted over time.
What has to happen before you leave the airport?
Almost every denied baggage claim fails at this step rather than at the end. Go to the airline's baggage service office in the arrivals hall and make a written report while you are still inside the airport. Ask for a copy with a file reference number on it. That reference is what every later email, escalation, and claim form will be built around.
Do this even when the agent tells you the bag is already on the next flight and will be delivered tonight. It usually is. But if it is not, a report filed on arrival is the difference between a claim and an argument. Take photographs of a damaged bag before it leaves your hands, including the tag still attached, and photograph the contents if anything inside is broken.
If the office is closed or the line is impossible, report by whatever channel the airline offers that produces a timestamped record, and note in the report that the counter was unavailable. A phone call with no record is the weakest possible position and is exactly what airlines rely on when they later say nothing was reported.
What deadlines apply to the claim?
Deadlines depend on whether the trip is domestic or international, and the international ones are set by treaty rather than by the airline. They are short, they are strict, and missing them is usually fatal to the claim.
| Situation | International itinerary | Domestic itinerary |
|---|---|---|
| Damaged bag | Written complaint within seven days of receiving the bag | Set by the carrier's contract, commonly twenty-four hours |
| Delayed bag | Written complaint within twenty-one days of delivery | Set by the carrier's contract, usually within a few days |
| Bag never found | Claim after the carrier declares it lost; suit within two years | Carrier's contract governs, with state law limits on suit |
| Refund of the bag fee | Owed once the delay passes the regulatory threshold | Owed once the delay passes the shorter domestic threshold |
Because domestic deadlines live in the contract of carriage rather than in a regulation, they vary between airlines and can be tighter than travelers expect. Assume you have one day, not one week. The safest habit is to file the written report at the airport and then send a detailed follow-up claim by email the same evening, which satisfies almost every version of the rule.
How much can an airline actually be made to pay?
There is a ceiling, and it is not the value of your belongings. For domestic flights, federal regulation sets a maximum liability per passenger for lost, damaged, or delayed baggage, and that figure is adjusted for inflation on a fixed schedule. For international itineraries, a treaty sets the ceiling in an international accounting unit that is revised periodically. Neither number is stable enough to quote, and both are published by the agency rather than by carriers.
Within the ceiling, what the airline pays is the depreciated value of what you lost, not replacement cost. Receipts, credit card statements, and photographs of the items in use are what move the number. A list written from memory after the fact moves it very little. Airlines also apply category exclusions in their contracts for cash, jewelry, electronics, documents, and fragile goods placed in checked bags, and those exclusions are generally enforceable.
Most carriers sell excess valuation coverage at check-in, which raises the ceiling for that trip in exchange for a fee. It is one of the few situations where buying a small amount of coverage at the counter is straightforwardly rational, because the alternative is a cap that has nothing to do with what is in the bag.
Assistive devices are treated differently and better. A wheelchair, scooter, or other mobility aid damaged or lost by a carrier is not subject to the ordinary baggage cap, and the measure of recovery is tied to the device itself rather than to a generic ceiling. Those obligations sit alongside the carrier's duties on assistance and equipment handling for travelers with disabilities, which also require the airline to provide loaner equipment while yours is repaired or replaced.
What is owed while a bag is simply late?
A delayed bag is not a lost bag, and the remedies differ. While the bag is missing, airlines will normally reimburse reasonable interim expenses for necessities such as toiletries and a change of clothes. Ask what the daily limit is, get the answer in writing, and keep every receipt. Reasonable means modest replacements for the length of the trip, not a shopping spree.
Separately, the checked bag fee itself becomes refundable once the delay passes the threshold set by regulation, which is counted in hours after arrival and is shorter for domestic flights than for international ones. That refund is automatic in principle and frequently is not in practice, so ask for it explicitly. The wider set of automatic refund obligations is set out in when an airline must refund rather than rebook.
Airlines typically treat a bag as lost after a fixed number of days, at which point the delay claim converts into a loss claim and you will be asked for an itemized inventory. That inventory is the single most important document in the file. Build it while you still remember what you packed, and attach proof of value for anything above a modest amount.
How do you file the claim and escalate a refusal?
- File the written report at the airport and keep the file reference number.
- Submit the airline's formal claim form, with the itemized inventory, photographs, and receipts attached.
- Keep the damaged bag and any broken contents until the claim closes; airlines sometimes ask to inspect.
- Ask separately and in writing for the bag fee refund and for interim expense reimbursement.
- If the offer is unreasonably low, reply once with the specific items and values in dispute rather than a general objection.
- If the airline refuses outright, file a complaint with the Department of Transportation and consider small claims court.
Small claims court is a realistic venue for baggage disputes because the amounts fall within its limits in most states and no attorney is required. The airline will appear, the liability ceiling will be raised as a defense, and your documentation will decide the rest. That is a straightforward hearing, and it is often the fastest route once customer relations has stopped responding.
Two arguments tend to decide these hearings. The first is whether you reported the problem within the window, which is why the airport report matters so much. The second is valuation, where a stack of receipts and photographs beats an estimate every time. Bring the inventory, the airline's own correspondence, and the boarding passes, and keep the presentation to the facts rather than to how the trip felt.
An attorney is rarely proportionate for one suitcase. It becomes worth the cost where the loss is unusually large, where a business shipment or professional equipment traveled as checked baggage, or where a carrier's conduct suggests the cap should not apply at all.
Where else can the loss be recovered?
The airline is one of several possible sources, and layering them is normal rather than double-dipping, provided you do not recover the same loss twice. Credit cards used to buy the ticket frequently include baggage delay and loss benefits that pay above the airline's payment. Homeowners and renters policies cover personal property away from home. Standalone travel policies pay baggage benefits with per-item sublimits.
Almost all of those coverages are secondary. They require you to claim against the airline first and to submit the airline's written determination as part of the file, which is another reason not to skip the formal claim even when the payout looks small. What each policy actually pays, and the exclusions that quietly remove the expensive items from coverage, are worth reading before a trip rather than after; the shape of that fine print is covered in which travel insurance triggers actually pay.
The practical lesson runs the other direction too. Medication, travel documents, keys, electronics, and anything irreplaceable belong in a carry-on, because no claim process returns the item, only a fraction of its value.
What to remember
- The written report at the airport is what starts the clock; a verbal complaint at a carousel usually leaves no record.
- Liability ceilings are set by regulation and treaty, adjusted periodically, and published by the agency rather than fixed forever.
- International trips carry short treaty deadlines for damage and delay that are much tighter than domestic contract terms.
- Wheelchairs and other assistive devices sit outside the ordinary baggage cap and are handled under separate rules.
- Checked bag fees are refundable when a bag is significantly delayed, separately from any payment for its contents.
Other questions people ask
Which airline do I claim against when two carriers were involved?
File with the airline that operated the final segment, which is the one that failed to deliver the bag to you. That carrier handles the claim and sorts out any allocation with its partner internally. Keep the boarding passes for every segment, because the bag tag number ties the whole itinerary together.
Does my homeowners or renters policy cover luggage lost by an airline?
Often yes, as off-premises personal property coverage, though the deductible frequently exceeds the value of an ordinary suitcase. It usually applies only after the airline has paid what it owes. Ask your insurer whether a claim of this size will affect your renewal before filing, because small property claims sometimes cost more than they return.
Can I insist on a new suitcase rather than a repair?
Not usually. Airlines commonly satisfy damage claims by repairing the bag, replacing it with one of similar type and age, or paying depreciated value. Replacement at full retail price is not the standard measure. If the bag was new and you still have the receipt, provide it, because depreciation is the airline's main lever on the figure.
Where this comes from
- eCFR — 14 CFR Part 254, Domestic Baggage LiabilityThe domestic liability ceiling and the rule that it is adjusted for inflation.
- Cornell Legal Information Institute — 14 CFR Part 254Section text of the domestic baggage liability rule.
- eCFR — 14 CFR Part 260, Refunds and Other Consumer ProtectionsWhen a checked bag fee must be refunded for a delayed bag.
- U.S. Department of Transportation — Aviation Consumer ProtectionCurrent liability figures and the complaint route when a carrier refuses.
- U.S. Department of Transportation — Fly RightsConsumer guidance on baggage handling and claims.
- eCFR — 14 CFR Part 382, Nondiscrimination on the Basis of Disability in Air TravelWhy assistive devices are not subject to the ordinary baggage cap.
Clear Justice is a publication, not a law firm. Reading this creates no attorney–client relationship, and nothing here is advice about your situation. Rules change and many of them differ by state — check the official source above or speak to a licensed attorney before you act.