Thai Airways International delay compensation, and how often you'll actually need it
£520 per passenger, if your Thai Airways International flight arrived 3 or more hours late
Every Thai Airways International route we hold a distance for falls in the same band, so that is the figure. About 1 Thai Airways International flights a year cross that line.
In the last 12 months, Thai Airways International operated 1,459 flights at UK airports, and 0.1% were 3 or more hours late, the threshold where £520 per passenger becomes payable.
Punctuality is up on last year: 83.8% of flights ran on time against 70.5% in the twelve months before, and the average delay fell from 14 to 8.3 minutes.
| Thai Airways International, last 12 months | Figure | vs year before |
|---|---|---|
| Flights at UK airports | 1,459 | was 1,458 |
| Ran on time (within 15 min) | 83.8% | ▲ was 70.5% |
| Average delay | 8.3 min | ▼ was 14 min |
| 3h+ late (compensation threshold) | 0.1% | - |
| Cancelled | 0.1% | - |
| Flights 3h+ late (a year) | 1 flights/year | - |
The CAA's figures combine arrivals and departures, so this covers both directions of travel.
Thai Airways International's delays, month by month
Worst month: April 2026, averaging 12.8 minutes.
How to claim from Thai Airways International
We have not yet verified Thai Airways International's own claim page, so rather than guess at a form or an address: search their site for "EU261" or "delay compensation", and use that form if there is one, because it routes into the right queue. Otherwise write to customer relations.
The rules do not change with the airline. What decides your claim is where the flight departed and how late it arrived, not whose aircraft it was. Claiming directly walks through the whole process, letter template included.
What the rules turn on
Where the flight departed decides everything, not the airline's nationality. Anything leaving a UK airport is covered by UK261 whoever operates it, and anything leaving the EU by EU261. A delay of 3 or more hours on arrival pays £220 to £520 per passenger when the cause was within the airline's control, which covers technical faults, crew shortages and the knock-on from a late inbound aircraft. It pays nothing when the cause was genuinely extraordinary, though airlines stretch that word further than the case law supports, so a refusal on those grounds is worth testing rather than accepting.
Thai Airways International at each UK airport
| Airport | 3h+ % | On-time % |
|---|---|---|
| Heathrow | 0.1% | 83.8% |
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Source: UK Civil Aviation Authority punctuality statistics, July 2025 to June 2026. Analysis by CheckFlightCompensation; the CAA is credited as the data source as its publication conditions require. Figures cover the 25 largest UK airports.