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

Washington, DC (IAD) to Cincinnati, OH (CVG) flight delay odds

80.2% of 524 official scheduled IAD-to-CVG flights arrived on time; 13.5% 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 SIGNALLower disruption
80.2%arrived on time
13.5%30+ min late
1.0%cancelled
524scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.4%all scheduled flights
120+ minutes late3.1%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+4.9 mincompleted flights

Which departure time was most reliable for IAD to CVG?

Among qualifying IAD-to-CVG departure window results, Early morning had the highest on-time rate: 87.4% of 151 flights. Night was lowest at 73.9% across 161 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning15187.4%8.6%0.0%
Afternoon4883.3%14.6%2.1%
Evening16478.7%14.6%1.2%
Night16173.9%16.8%1.2%

Which weekday was most reliable for IAD to CVG?

Among qualifying IAD-to-CVG weekday results, Wednesday had the highest on-time rate: 84.9% of 73 flights. Friday was lowest at 73.8% across 84 flights.

DayFlightsOn time30+ minCancelled
Monday8381.9%10.8%1.2%
Tuesday6282.3%14.5%1.6%
Wednesday7384.9%9.6%1.4%
Thursday7777.9%16.9%0.0%
Friday8473.8%19.0%0.0%
Saturday6684.8%9.1%0.0%
Sunday7977.2%13.9%2.5%

Which airline was most reliable for IAD to CVG?

Only Republic Airways met the IAD-to-CVG airline threshold: 80.4% of 505 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Republic Airways50580.4%13.7%1.0%
United Airlines1973.7%10.5%0.0%

Which month was most reliable for IAD to CVG?

Among qualifying IAD-to-CVG month results, February 2026 had the highest on-time rate: 95.2% of 21 flights. June 2026 was lowest at 66.7% across 33 flights.

MonthFlightsOn time30+ minCancelled
July 20253083.3%10.0%0.0%
August 20255580.0%16.4%1.8%
September 20255094.0%6.0%0.0%
October 20255979.7%18.6%0.0%
November 20258577.6%10.6%3.5%
December 20255768.4%24.6%0.0%
February 20262195.2%0.0%0.0%
March 20264776.6%14.9%0.0%
April 20265192.2%7.8%0.0%
May 20263675.0%8.3%2.8%
June 20263366.7%24.2%0.0%

What drove IAD to CVG delay minutes?

Airline was the largest recorded IAD-to-CVG delay category, accounting for 51.0% of 7,289 BTS-attributed delay minutes during July 2025–June 2026.

Airline51.0%
Late aircraft34.6%
National airspace14.4%
Weather0.0%
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.