The Truth About Lost Luggage: What the Numbers Really Say

Baggage mishandling has just fallen to its lowest rate on record. According to SITA's 2026 Baggage IT Insights report, the global mishandling rate dropped 23% year-on-year in 2025, to 4.9 bags per 1,000 passengers — now below pre-pandemic levels for the first time, even as passenger numbers hit an all-time high of 5 billion. And of the roughly 24 million bags that were mishandled, the overwhelming majority were delayed rather than genuinely lost: under the Montreal Convention, a bag isn't officially classed as "lost" until it's been missing for 21 days.

Here's what the current data actually shows, and where each figure comes from.

How common is lost luggage, really?

The industry benchmark is the mishandling rate — bags mishandled per 1,000 passengers — published every year by SITA, the air-transport technology provider whose Baggage IT Insights report has tracked this figure since 2007. The trend line tells a clear story: the rate spiked sharply in 2022 as air travel rebounded from the pandemic faster than ground-handling staff could, then has fallen every year since. SITA's 2026 report — its 20th annual edition — puts 2025's global rate at 4.9 per 1,000 passengers, a 75% drop since 2007, even as the industry moved more passengers than ever before.

That global average hides big regional gaps. Africa recorded the highest regional mishandling rate at 12.1 per 1,000 passengers in 2025 — driven largely by complex international connections and older airport infrastructure — against a global average of 4.9. Route type matters even more than region: international flights had a mishandling rate of roughly 9.1 per 1,000 passengers in 2025, more than five times the domestic rate of about 1.65, because of the extra handoffs involved in transferring bags between carriers and airports.

What actually causes a bag to go missing?

Connections are the single biggest culprit. SITA's data shows transfers — bags moving between flights, often between different airlines or terminals — caused 39% of all mishandling in 2025. The remaining causes split across tagging, ticketing and security issues, bags failing to load onto the aircraft in time, and operational factors like weather, aircraft weight limits, and airport process delays.

That breakdown matters for what actually happens to your bag: most mishandling isn't a bag vanishing into a void, it's a bag that missed a connection and is sitting in the wrong airport, still fully trackable in the system, waiting for the next available flight.

Delayed vs permanently lost: what's the real split?

This is the distinction that gets flattened in everyday conversation about "lost luggage." A bag that's delayed still exists, has been scanned, and is known to be somewhere in the system — most are reunited with their owner within a day or two. A bag that's genuinely lost has no such trail. The Montreal Convention, the international treaty governing airline liability, sets the formal line between the two: a bag is only classified as permanently lost once it has remained undelivered for 21 days, and airlines are required to keep tracing it until that point.

In practice, that means the "lost luggage" outcome most travellers picture — a bag gone for good — is the rare tail end of a much larger and mostly self-resolving mishandling figure, not the typical outcome.

What does mishandled baggage actually cost?

Even with the improving mishandling rate, SITA puts the industry-wide cost at $6.3 billion in 2025 — equivalent to about 15% of total airline industry profit. The average cost per mishandled bag is $260, a new benchmark SITA introduced in the 2026 report to replace the long-cited but outdated $150 figure. Critically, a permanently lost bag costs airlines roughly 2.6 times more than a delayed one, driven almost entirely by compensation payouts rather than the operational cost of re-routing a bag — which is exactly why getting ahead of a delayed bag, before it drifts toward the 21-day "lost" threshold, matters financially to airlines as well as emotionally to passengers.

What actually improves the odds of getting a delayed bag back fast?

Three things move the needle, based on how airlines and ground handlers process a missing-bag report:

Reporting it immediately, at the airport, before you leave. A Property Irregularity Report (PIR) filed at the baggage desk starts the airline's tracing process while your bag's last scan location is still fresh in the system.
A visible name/contact tag on the outside of the bag. Ground staff sorting a backlog of unclaimed bags rely on exactly this when a bag's barcode tag has come off or been damaged in transit — which happens more often than most travellers realise.
An independent way to see the bag's last known location. SITA's own 2026 report flags passenger-provided location data, alongside shared data platforms and end-to-end tracking, as one of the technologies most likely to speed up recovery from a transfer-related mishandling. In practice, that's a share-location Bluetooth tracker: instead of telling a baggage desk "my bag is missing," you can tell them roughly where it currently is. (We cover exactly how to do this, airline by airline, in next week's guide.)

What are UK passengers actually entitled to?

Compensation for mishandled baggage on international flights is set by the Montreal Convention, and it isn't a fixed payout — airlines only reimburse proven financial loss, backed by receipts. The liability ceiling was revised on 28 December 2024, as certified in UK law, and now stands at 1,519 Special Drawing Rights (SDR) per passenger for baggage — worth roughly £1,600–1,650 at recent exchange rates. Reporting deadlines are strict: damaged baggage must be reported within 7 days, and lost or delayed baggage within 21 days; there's an absolute two-year limit to bring a claim, and neither deadline can be extended.

The claims process itself, rather than the mishandling, is consistently where UK passenger satisfaction is lowest. In its own consumer research, the CAA found that only 39% of passengers were satisfied with how loss or damage to luggage was handled, against 47% who were dissatisfied — a wider satisfaction gap than for almost any other travel-disruption issue it measured, including flight delays. Separate UK consumer research has found that nearly three in ten British air passengers experienced delayed, damaged, or lost luggage over a five-year period, with an average loss value of around £308, and close to one in five received no compensation at all.

The bottom line

The data supports a genuinely less alarming picture than "airlines lose your luggage" suggests: 2025 was the industry's best year for baggage handling since before the pandemic, and the vast majority of what does go wrong is a delayed bag working its way back to you, not a bag gone forever. What the numbers don't fix is the anxious limbo before you know which outcome you're in — which is exactly the gap a location-sharing tracker, and a fast report at the baggage desk, are built to close.

Protect your luggage before you fly →

A note on this post's figures: because SITA's mishandling rate and CAA compensation guidance are both updated on a recurring schedule, this page is flagged for quarterly review so every stat stays traceable to its current published source, per our freshness policy.