BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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CVG→IAH

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

82.5% of 676 official scheduled CVG-to-IAH flights arrived on time; 11.1% 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 SIGNALLower disruption
82.5%arrived on time
11.1%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 late6.4%all scheduled flights
120+ minutes late2.7%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival-0.3 mincompleted flights

Which departure time was most reliable for CVG to IAH?

Among qualifying CVG-to-IAH departure window results, Early morning had the highest on-time rate: 90.2% of 376 flights. Evening was lowest at 71.2% across 205 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning37690.2%5.1%1.3%
Afternoon9175.8%16.5%0.0%
Evening20571.2%20.0%1.0%

Which weekday was most reliable for CVG to IAH?

Among qualifying CVG-to-IAH weekday results, Thursday had the highest on-time rate: 87.0% of 108 flights. Friday was lowest at 75.0% across 96 flights.

DayFlightsOn time30+ minCancelled
Monday9883.7%12.2%1.0%
Tuesday9186.8%7.7%1.1%
Wednesday9585.3%9.5%0.0%
Thursday10887.0%6.5%0.9%
Friday9675.0%19.8%1.0%
Saturday7780.5%14.3%0.0%
Sunday11179.3%9.0%2.7%

Which airline was most reliable for CVG to IAH?

Among qualifying CVG-to-IAH airline results, United Airlines had the highest on-time rate: 83.5% of 625 flights. Frontier Airlines was lowest at 74.4% across 43 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines62583.5%10.2%1.1%
Frontier Airlines4374.4%18.6%0.0%
SkyWest Airlines850.0%37.5%0.0%

Which month was most reliable for CVG to IAH?

Among qualifying CVG-to-IAH month results, January 2026 had the highest on-time rate: 90.6% of 53 flights. June 2026 was lowest at 69.1% across 55 flights.

MonthFlightsOn time30+ minCancelled
July 20253987.2%5.1%5.1%
August 20255084.0%14.0%0.0%
September 20256686.4%6.1%0.0%
October 20256584.6%6.2%0.0%
November 20256979.7%15.9%0.0%
December 20254479.5%15.9%0.0%
January 20265390.6%5.7%3.8%
February 20265188.2%11.8%0.0%
March 20266279.0%9.7%3.2%
April 20266083.3%11.7%0.0%
May 20266280.6%9.7%1.6%
June 20265569.1%21.8%0.0%

What drove CVG to IAH delay minutes?

National airspace was the largest recorded CVG-to-IAH delay category, accounting for 41.3% of 7,827 BTS-attributed delay minutes during July 2025–June 2026.

Airline34.0%
Late aircraft23.4%
National airspace41.3%
Weather1.3%
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.