Route
CVG → IAD
Cincinnati Northern Kentucky International Airport Washington Dulles International Airport
388 miles
Return route IAD → CVG →
How punctual is this route?
- On-time arrivals
- 86.8%
- Less than 15 minutes late
- Cancelled
- 1.6%
- Of scheduled flights
- Average delay when late
- 85 min
- Flights arriving 15+ minutes late
- Flights tracked
- 577
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 48%
- Airline (crew, maintenance, cleaning) 29%
- Air traffic control & airport 16%
- Extreme weather 7%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 92.0% | 50 |
| October 2025 | 92.9% | 56 |
| November 2025 | 89.0% | 86 |
| December 2025 | 68.6% | 70 |
| January 2026 | 100.0% | 5 |
| February 2026 | 85.7% | 21 |
| March 2026 | 80.6% | 36 |
| April 2026 | 94.1% | 51 |
| May 2026 | 95.1% | 41 |
| June 2026 | 86.8% | 53 |
| July 2026 | 86.0% | 62 |
| August 2026 | 87.0% | 46 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Republic Airways | 538 | 86.4% | 1.7% | 87 min |
| United Airlines | 39 | 92.3% | 0.0% | 29 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
Reviews
No reviews yet. Be the first to review this route.