BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
IAH→CVG

Houston, TX (IAH) to Cincinnati, OH (CVG) flight delay odds

74.4% of 676 official scheduled IAH-to-CVG flights arrived on time; 15.5% arrived at least 30 minutes late and 1.0% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
74.4%arrived on time
15.5%30+ min late
1.0%cancelled
676scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.0%all scheduled flights
120+ minutes late2.7%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+9.4 mincompleted flights

Which departure time was most reliable for IAH to CVG?

Among qualifying IAH-to-CVG departure window results, Afternoon had the highest on-time rate: 82.1% of 285 flights. Evening was lowest at 68.7% across 367 flights.

Departure windowFlightsOn time30+ minCancelled
Afternoon28582.1%10.2%0.7%
Evening36768.7%19.6%1.1%

Which weekday was most reliable for IAH to CVG?

Among qualifying IAH-to-CVG weekday results, Tuesday had the highest on-time rate: 85.7% of 91 flights. Friday was lowest at 62.5% across 96 flights.

DayFlightsOn time30+ minCancelled
Monday9869.4%19.4%1.0%
Tuesday9185.7%7.7%0.0%
Wednesday9580.0%11.6%1.1%
Thursday10778.5%13.1%0.9%
Friday9662.5%22.9%0.0%
Saturday7873.1%19.2%1.3%
Sunday11172.1%15.3%2.7%

Which airline was most reliable for IAH to CVG?

Among qualifying IAH-to-CVG airline results, United Airlines had the highest on-time rate: 74.9% of 625 flights. Frontier Airlines was lowest at 69.8% across 43 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines62574.9%15.5%1.0%
Frontier Airlines4369.8%14.0%2.3%
SkyWest Airlines862.5%25.0%0.0%

Which month was most reliable for IAH to CVG?

Among qualifying IAH-to-CVG month results, January 2026 had the highest on-time rate: 92.5% of 53 flights. December 2025 was lowest at 59.1% across 44 flights.

MonthFlightsOn time30+ minCancelled
July 20253964.1%25.6%2.6%
August 20255074.0%18.0%2.0%
September 20256675.8%13.6%0.0%
October 20256578.5%6.2%0.0%
November 20256972.5%18.8%0.0%
December 20254459.1%20.5%0.0%
January 20265392.5%3.8%3.8%
February 20265186.3%9.8%0.0%
March 20266272.6%16.1%3.2%
April 20266075.0%18.3%0.0%
May 20266275.8%14.5%1.6%
June 20265561.8%25.5%0.0%

What drove IAH to CVG delay minutes?

Late aircraft was the largest recorded IAH-to-CVG delay category, accounting for 64.5% of 9,910 BTS-attributed delay minutes during July 2025–June 2026.

Airline20.6%
Late aircraft64.5%
National airspace12.6%
Weather2.3%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.