How much compensation for a delayed Thai Airways International flight from Heathrow?
£520 each, if you land 4 hours or more late (£260 each at 3 to 4 hours)
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Effectively one route: Heathrow to Bangkok Suvarnabhumi, 9,578 km apart, so the figure is flat.
- Flights a year
- 1,459
- Landed on time
- 84.5%
- Land 3 hours or more late
- 1 a year
Last 12 months, CAA data
What you're owed
£520each if a delay of 4 hours or more hits this route (£260 each at 3 to 4 hours)
Effectively one route: Heathrow to Bangkok Suvarnabhumi, 9,578 km apart.
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If it lands 3 hours or more late we email you what you're owed.
How bad is it
Does Thai Airways International get delayed a lot at Heathrow?
0.1% of Thai Airways International's 1,459 flights a year at Heathrow land 3 hours or more late, which works out at about 1 flights a year crossing the line where the airline has to pay.
When is it worst?
April 2026, when Thai Airways International flights at Heathrow ran an average of 12.8 minutes late.
See all the numbers for Thai Airways International at Heathrow
In the last 12 months, Thai Airways International operated 1,459 flights at Heathrow, and 0.1% were 3 or more hours late, the threshold where £260 each becomes payable, rising to £520 each from 4 hours late.
Flights are landing on time more often than last year: 84.5% ran on time against 73.3% in the twelve months before, and the average delay fell from 12.7 to 8 minutes.
| Thai Airways International at Heathrow, last 12 months | Figure | vs year before |
|---|---|---|
| Flights at Heathrow | 1,459 | was 1,458 |
| Ran on time (within 15 min) | 84.5% | ▲ was 73.3% |
| Average delay | 8 min | ▼ was 12.7 min |
| 3 hours or more late (the line where they pay) | 0.1% | - |
| Cancelled | 0.1% | - |
| Flights 3 hours or more late (a year) | 1 flights/year | - |
The CAA's figures combine arrivals and departures, so this covers traffic both ways, not departures alone.
Thai Airways International at Heathrow, month by month
Worst month: April 2026, averaging 12.8 minutes.
Route by route
Thai Airways International's busiest routes at Heathrow
| Destination | Flights | Distance | Avg delay | 3 hours or more late | 4 hours or more pays |
|---|---|---|---|---|---|
| Bangkok Suvarnabhumi | 1,459 | 9,578 km | 8 min | 0.1% | £520each £260 each at 3 to 4 hours |
Your rights
Your rights on this route
Heathrow is a UK airport, so every flight departing from it is covered by the UK rules, whichever airline you fly with. Delays of 3 hours or more pay £220 to £520 each depending on how far you were flying, and the table above gives the exact figure for each of these routes. See the full breakdown on the 3-hour rule. If the flight is cancelled instead of delayed, broadly the same amounts apply under different conditions. See cancelled flight compensation.
Other airlines at Heathrow
Source: UK Civil Aviation Authority punctuality statistics, August 2025 to July 2026. Analysis by CheckFlightCompensation; the CAA is credited as the data source as its publication conditions require. Figures cover the 25 largest UK airports. Methodology and limitations.