How reliable is Ketchikan International Airport?
Flights from KTN departed within 15 minutes of schedule in 84% of 14,336 flights in official BTS history — and weather is calmest in Apr. Here’s the full picture before you book.
Reliability score
on-time, cancellations & delays
Weather favorability
year-round climate
Origin-airport operations
What the departure punctuality at KTN looks like
On-time departures
across 14,336 flights
Source: BTS Airport Operations · data through 2026-06-25. Role-specific BTS departure history; advisory context, not a guarantee for any flight.
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Weather by month
When the weather works for you at Ketchikan
A calm-weather score (0–100) for each month from decades of airport observations — how often conditions disrupt flying, not temperature. Higher is calmer.
Calmest month
Calmest flying weather of the year · 96/100 favorability
Roughest month
Most disruptive — low visibility & fog, snow · 80/100 favorability
The read on KTN
What the numbers say about flying through Ketchikan International Airport
Across official performance history, flights from Ketchikan left within 15 minutes of schedule about 84% of the time over 14,336 flights. That's a solid, better-than-average operational record. Pair it with an elevated cancellation rate of 2.6% — worth weighing alongside the on-time figure. When a departure does run late, the typical delay is around 3 minutes.
On weather, Ketchikan is an unusually calm-weather airport year-round. April is the calmest stretch for flying, scoring 96 out of 100 for favorable conditions, while January is the most disruptive at 80, driven mainly by low visibility & fog and snow. The year is relatively steady, so no single month stands out as one to avoid on weather alone.
None of this guarantees your specific flight — it’s the backdrop. To turn it into a booking, score real flights to Ketchikan, read how we weigh it all in how the PlaneSane Score works, and brush up with how to pick a reliable flight and avoiding weather delays.
Common questions about KTN
- How reliable is Ketchikan International Airport (KTN)?
- Flights from Ketchikan left within 15 minutes of schedule roughly 84% of the time across 14,336 flights of official history — a solid, better-than-average operational record. The cancellation rate runs about 2.6%. It's advisory context, not a guarantee for any single flight.
- What is the best month to fly from KTN for good weather?
- April has the calmest flying weather at Ketchikan International Airport. January is the most disruptive, mainly from low visibility & fog and snow.
Planning a trip through Ketchikan?
Score real flights to and from KTN on reliability, weather, and connection safety — not just price.