How reliable is Niagara Falls International Airport?
Flights from IAG departed within 15 minutes of schedule in 72% of 2,714 flights in official BTS history. Here’s the full picture before you book.
Reliability score
on-time, cancellations & delays
Origin-airport operations
What the departure punctuality at IAG looks like
On-time departures
across 2,714 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
Weather history isn’t available for IAG 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 Niagara Falls International Airport.
The read on IAG
What the numbers say about flying through Niagara Falls International Airport
Across official performance history, flights from Niagara Falls left within 15 minutes of schedule about 72% of the time over 2,714 flights. That's a middling record — neither a strength nor a red flag on its own. Pair it with a moderate cancellation rate of 2.2%. When a departure does run late, the typical delay is around 21 minutes.
None of this guarantees your specific flight — it’s the backdrop. To turn it into a booking, score real flights to Niagara Falls, 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 IAG
- How reliable is Niagara Falls International Airport (IAG)?
- Flights from Niagara Falls left within 15 minutes of schedule roughly 72% of the time across 2,714 flights of official history — a middling record — neither a strength nor a red flag on its own. The cancellation rate runs about 2.2%. It's advisory context, not a guarantee for any single flight.
Planning a trip through Niagara Falls?
Score real flights to and from IAG on reliability, weather, and connection safety — not just price.