What is the historical operational record at Chippewa County International Airport?

Flights from Chippewa County International Airport (CIU) departed within 15 minutes of schedule 81% of the time across 4,761 historical flights in BTS coverage.

Sault Ste Marie · CIU · United States

How reliable is Chippewa County International Airport?

Flights from CIU departed within 15 minutes of schedule in 81% of 4,761 flights in official BTS history. Here’s the full picture before you book.

Find flights to Sault Ste Marie →How we score →

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Reliability score

on-time, cancellations & delays

IATA / ICAO

CIU · KCIU

Coordinates

46.25, -84.47

Nearby airports

YAM26 km

Photo: United States Geological Survey (USGS) / Public domain

Origin-airport operations

What the departure punctuality at CIU looks like

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On-time departures

across 4,761 flights

81%

On-time departures

within 15 min of schedule

3.3%

Cancellation rate

of scheduled departures

22 min

Avg. departure delay

across delayed flights

4,761

Flights analyzed

medium confidence

Source: BTS Airport Operations · data through 2026-08-08. Role-specific BTS departure history; advisory context, not a guarantee for any flight.

Weather by month

Weather history isn’t available for CIU 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 Chippewa County International Airport.

The read on CIU

What the numbers say about flying through Chippewa County International Airport

Across official performance history, flights from Sault Ste Marie left within 15 minutes of schedule about 81% of the time over 4,761 flights. That's a solid, better-than-average operational record. Pair it with an elevated cancellation rate of 3.3% — worth weighing alongside the on-time figure. When a departure does run late, the typical delay is around 22 minutes.

None of this guarantees your specific flight — it’s the backdrop. To turn it into a booking, score real flights to Sault Ste Marie, 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 CIU

How reliable is Chippewa County International Airport (CIU)?: Flights from Sault Ste Marie left within 15 minutes of schedule roughly 81% of the time across 4,761 flights of official history — a solid, better-than-average operational record. The cancellation rate runs about 3.3%. It's advisory context, not a guarantee for any single flight.

Reliability guides

The Best Time of Year to Fly to Avoid Weather Delays

Season and airport decide how often weather grounds flights. Here's how to read it.

Snow, Storms, Fog, and Wind: How Weather Actually Delays Flights

Why a thunderstorm, a snowstorm, and a foggy morning each break your flight differently.

How to Pick a Reliable Flight (Not Just the Cheapest)

A practical checklist for booking the flight that gets you there — not just the cheap one.

Do Morning Flights Really Have Fewer Delays?

Yes — and there's a clear reason. How delays snowball through the day.

Planning a trip through Sault Ste Marie?

Score real flights to and from CIU on reliability, weather, and connection safety — not just price.

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