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

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

87.2% of 554 official scheduled CVG-to-IAD flights arrived on time; 8.3% arrived at least 30 minutes late and 0.9% 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
87.2%arrived on time
8.3%30+ min late
0.9%cancelled
554scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.2%all scheduled flights
120+ minutes late2.3%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival-0.2 mincompleted flights

Which departure time was most reliable for CVG to IAD?

Among qualifying CVG-to-IAD departure window results, Early morning had the highest on-time rate: 92.7% of 124 flights. Afternoon was lowest at 81.2% across 48 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning12492.7%4.8%0.8%
Late morning23587.7%8.5%0.4%
Afternoon4881.2%14.6%2.1%
Evening14783.7%8.8%1.4%

Which weekday was most reliable for CVG to IAD?

Among qualifying CVG-to-IAD weekday results, Wednesday had the highest on-time rate: 93.3% of 75 flights. Sunday was lowest at 82.4% across 85 flights.

DayFlightsOn time30+ minCancelled
Monday8984.3%9.0%3.4%
Tuesday5988.1%6.8%1.7%
Wednesday7593.3%4.0%0.0%
Thursday8290.2%7.3%0.0%
Friday9585.3%10.5%0.0%
Saturday6988.4%8.7%0.0%
Sunday8582.4%10.6%1.2%

Which airline was most reliable for CVG to IAD?

Only Republic Airways met the CVG-to-IAD airline threshold: 86.9% of 536 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Republic Airways53686.9%8.6%0.9%
United Airlines1894.4%0.0%0.0%

Which month was most reliable for CVG to IAD?

Among qualifying CVG-to-IAD month results, July 2025 had the highest on-time rate: 96.8% of 31 flights. December 2025 was lowest at 68.6% across 70 flights.

MonthFlightsOn time30+ minCancelled
July 20253196.8%3.2%0.0%
August 20255490.7%1.9%1.9%
September 20255092.0%6.0%0.0%
October 20255692.9%3.6%0.0%
November 20258684.9%10.5%4.7%
December 20257068.6%24.3%0.0%
February 20262185.7%9.5%0.0%
March 20263680.6%8.3%0.0%
April 20265194.1%3.9%0.0%
May 20264195.1%4.9%0.0%
June 20265386.8%7.5%0.0%

What drove CVG to IAD delay minutes?

Late aircraft was the largest recorded CVG-to-IAD delay category, accounting for 50.9% of 4,979 BTS-attributed delay minutes during July 2025–June 2026.

Airline26.5%
Late aircraft50.9%
National airspace16.6%
Weather6.0%
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.