How reliable is Colombo Ratmalana International Airport?
Month-by-month weather risk and connection guidance for Colombo Ratmalana International Airport. We don’t yet have on-time performance history here — see why below.
On-time performance data isn’t available for RML yet
Our historical on-time and cancellation record currently covers the US, UK, Brazil, and Australia, so we don’t score departure reliability at Colombo Ratmalana International Airport yet. We’ll show weather and connection context here once enough global coverage is available.
Weather by month
Weather history isn’t available for RML yet
PlaneSane shows month-by-month airport weather once enough historical METAR/IEM observations are loaded for the airport. This does not mean the airport has no weather data forever; it means the current climatology table has no monthly coverage for Colombo Ratmalana International Airport.
The read on RML
What the numbers say about flying through Colombo Ratmalana International Airport
PlaneSane doesn't yet have on-time and cancellation history for Colombo Ratmalana International Airport, so it isn't scored for departure reliability here — that record currently covers the US, UK, Brazil, and Australia. The weather and connection context below comes from separate global sources and still applies.
None of this guarantees your specific flight — it’s the backdrop. To turn it into a booking, score real flights to Colombo, read how we weigh it all in how the Peace of Mind Score works, and brush up with how to pick a reliable flight and avoiding weather delays.
Peace of Mind
Where to stay in Colombo
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Reliability guides
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