Airline · KE · Republic of KoreaHow reliable is Korean Air?
Korean Air runs 73% on time across 3,286 flights of official history. Here’s how it really performs — including when it’s late and on which routes.
Reliability score
on-time, cancellations & delays
Network reliability
Korean Air’s on-time record across its whole network
Source: UK CAA. All-cause performance (this source has no delay-cause split). Advisory context, not a guarantee for any one flight.
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When flights run late
It’s not just if Korean Air is late — it’s how late
Of every 100 Korean Air flights, how they actually land — on time, or in each lateness band. A short delay is a nuisance; a 2-hour delay misses connections.
Routes
Korean Air’s routes, ranked by on-time rate
Every route with a meaningful sample, most to least on-time. Tap an airport for its full profile.
The read on Korean Air
What the record actually tells you about flying Korean Air
Korean Air runs about 73% on time across 3,286 flights of official all-cause history — a respectable, middle-of-the-pack record. On cancellations, cancellations are rare here, at roughly 0.2%.
It's not just whether a flight is late, but how late. When Korean Air runs behind, the typical delay lands around 14 minutes, and only a small slice — about 0.9% — slip two hours or more, so the worst-case tail is relatively contained.
Reliability isn't uniform across Korean Air's map. Its strongest route in the data is LHR–ICN, running around 77% on time. Where a single carrier flies the same city pair well or poorly comes down to the hub, the aircraft rotation, and the time of day as much as the airline itself.
A track record is the backdrop, not a verdict on your flight. To put it to work, score your actual Korean Air flight on reliability, weather, and connection safety, see how the PlaneSane Score works, and read are some airlines really more reliable and how to read on-time stats.
Common questions about Korean Air
- How often is Korean Air on time?
- Korean Air (KE) ran about 73% on time across 3,286 flights of official history — a respectable, middle-of-the-pack record. Its cancellation rate is roughly 0.2%.
- Is Korean Air a reliable airline?
- On the numbers, Korean Air has a respectable, middle-of-the-pack record. Typical delays run around 14 minutes when flights are late. Reliability varies by route and time of day, so check your specific flight rather than the brand average. It's advisory context, not a guarantee for any one flight.
- Which routes does Korean Air fly most reliably?
- In our data, LHR–ICN is among Korean Air's most reliable routes at about 77% on time. The same airline can perform very differently route to route.
Flying Korean Air?
Score your actual flight on reliability, weather, and connection safety before you book — Korean Air’s track record is just the start.