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Delayed on Malaysian Airlines System-Mas from Heathrow to Kuala Lumpur (Sepang)?

£520each if you land 3 hours or more late

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Flights a year
1,459
Landed on time
82.1%
Distance apart
10,605 km

Last 12 months, CAA data

What you're owed

Leaving Heathrow

£520each under UK law

Leaving Kuala Lumpur (Sepang)

£520each under UK law

Kuala Lumpur (Sepang) is outside the UK and EU, so coming back this only applies if a UK or EU airline operated the flight.

Heathrow to Kuala Lumpur (Sepang) is 10,605 km, which fixes the figure: £520 each leaving Heathrow, and the same £520 each coming back if a UK or EU airline operated the flight. It is per person, so four of you is £2,080.

How Malaysian Airlines System-Mas does on this route

Better or worse than the route itself?

Everyone flying Heathrow to Kuala Lumpur (Sepang) hits the same airspace and the same two airports, so the honest question is not whether the route is busy, it is whether this airline handles it better or worse than the others on it.

On this route Malaysian Everyone
Landed on time 82.1% 82.9%
Average delay 10.5 min 11 min
Landed 3 hours or more late 0.3% 0.4%

Malaysian Airlines System-Mas flies 67% of this route, so the right-hand column is mostly its own flights being averaged back at it. The comparison that means something here is against the rest of its network.

Against its own network it is about the same as usual: Malaysian Airlines System-Mas lands on time 82.1% of the time across all 1,459 of its UK flights a year, against 82.1% here.

In money terms: about 4 flights a year on this route land 3 hours or more late, which is about 1 flight in 330. Everyone on board one of those is owed £520 each.

Other airlines on this route

Same two airports, same 10,605 km, same £520.

Airline Landed on time
British Airways 84.4%

Everything we hold on Heathrow to Kuala Lumpur (Sepang) · Malaysian Airlines System-Mas across every UK airport

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. Methodology and limitations.