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Airport Reliability

IAG · Niagara Falls

Niagara Falls, NY (IAG)

74%
Departures within 15 minutes
20 min
Average departure delay
79%
Arrivals within 15 minutes
1.6%
Departures cancelled

Based on 435 departures and 434 arrivals. Data through May 2026.

What the data says

Morning-you made the right choice.

Departures from IAG departing between 9 AM–12 PM arrived on time 80% of the time, versus 10% between 9 PM–12 AM.

Sunday scaries are real for this one.

Departures from IAG arrived on time 78% of the time on Saturdays and just 59% on Sundays. That gap is worth planning around.

Ticking up lately.

Departures from IAG arrived on time 71% of the time over the last three months in the data, compared with 64% in the three months before that.

When IAG gets messy

On-time by departure window
  • 9 AM–12 PM80%(141 flights)
  • 12–3 PM57%(82 flights)
  • 3–6 PM57%(61 flights)
  • 6–9 PM73%(122 flights)
  • 9 PM–12 AM10%(21 flights)
On-time by weekday
  • Mon74%(87 flights)
  • Tue68%(19 flights)
  • Wed78%(27 flights)
  • Thu60%(73 flights)
  • Fri63%(86 flights)
  • Sat78%(55 flights)
  • Sun59%(80 flights)
On-time trend by month
69%
May

Jun 43% → May 69% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202543%37
July 202558%43
August 202561%38
September 202577%26
October 202594%34
November 202568%28
December 202558%33
January 202659%29
February 202677%39
March 202657%47
April 202686%44
May 202669%29

Airlines departing IAG

Busiest routes from IAG

Based on 435 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.