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Airport Reliability

ITH · Ithaca/Cortland

Ithaca/Cortland, NY (ITH)

83%
Departures within 15 minutes
23 min
Average departure delay
76%
Arrivals within 15 minutes
4.4%
Departures cancelled

Based on 1,561 departures and 1,561 arrivals. Data through May 2026.

What the data says

Morning-you made the right choice.

Departures from ITH departing between 3–6 AM arrived on time 87% of the time, versus 75% between 3–6 PM.

Sunday scaries are real for this one.

Departures from ITH arrived on time 85% of the time on Wednesdays. On Sundays: 77%.

Ticking up lately.

Departures from ITH arrived on time 82% of the time over the last three months in the data, compared with 79% in the three months before that.

When ITH gets messy

On-time by departure window
  • 3–6 AM87%(343 flights)
  • 6–9 AM80%(357 flights)
  • 9 AM–12 PM83%(104 flights)
  • 12–3 PM81%(226 flights)
  • 3–6 PM75%(111 flights)
  • 6–9 PM82%(349 flights)
On-time by weekday
  • Mon82%(210 flights)
  • Tue84%(216 flights)
  • Wed85%(202 flights)
  • Thu81%(210 flights)
  • Fri81%(215 flights)
  • Sat85%(220 flights)
  • Sun77%(217 flights)
On-time trend by month
88%
May

Jun 79% → May 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%118
July 202582%110
August 202584%122
September 202589%119
October 202584%148
November 202581%110
December 202577%114
January 202684%115
February 202676%105
March 202679%141
April 202680%146
May 202688%142

Airlines departing ITH

Busiest routes from ITH

Based on 1,561 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.