Cincinnati (CVG) to Denver (DEN): On-Time Performance
Data through July 2026
When you fly CVG to DEN matters as much as anything else about the booking: the route swung from 94% on-time in October 2024 to just 67% in May 2025. Across the full period the route averages 81% on-time against a national 78%. Morning departures also hold up better than evening ones (89% vs 63%), which matters most in the rough months.
- On-time
- 81%
- arrived <15 min late
- Avg delay
- 14 min
- completed flights
- Cancelled
- 0.9%
- Flights/day
- 4.1
- last 12 months
- Duration
- 3h 5m
- scheduled
- Distance
- 1,069 mi
Best airline from CVG to DEN
5 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Allegiant Airmost reliable | 92% | 4 min | 1.7% | 60 |
| Delta Air Lines | 90% | 12 min | 0.0% | 121 |
| United Airlines | 86% | 12 min | 0.7% | 1,518 |
| Frontier Airlines | 80% | 17 min | 1.7% | 762 |
| Southwest Airlines | 69% | 18 min | 0.6% | 772 |
Monthly on-time trend
Best time to fly from CVG to DEN
Aim for departures around 8 a.m. (90% on-time); avoid 9 p.m. departures (54%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 81% | 14 min |
| Tuesday | 81% | 13 min |
| Wednesday | 79% | 16 min |
| Thursday | 81% | 16 min |
| Friday | 79% | 16 min |
| Saturdaybest | 83% | 11 min |
| Sunday | 81% | 14 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft36%
- Airline operations29%
- National airspace system31%
- Weather4%
Frequently asked questions
- How often are flights from CVG to DEN delayed?
- 19% of CVG–DEN flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 14 minutes.
- Which airline is most reliable from CVG to DEN?
- Allegiant Air has the best on-time record on this route at 92%, based on 60 flights. 5 airlines flew CVG–DEN frequently enough to compare in this period.
- What is the best time of day to fly from CVG to DEN?
- Departures around 8 a.m. have the best record (90% on-time), while departures around 9 p.m. have the worst (54%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from CVG to DEN?
- The scheduled CVG–DEN flight time averages 3h 5m over 1,069 miles. Actual arrival times vary — flights on this route land 15+ minutes late 19% of the time.
- How often are CVG to DEN flights cancelled?
- 0.9% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from CVG to DEN?
- May 2025 was the roughest month in this dataset, with only 67% of arrivals on time. The best was October 2024 at 94%. If your dates are flexible, that 27-point gap is worth planning around.
Explore related pages
More routes from CVG
Other ways to fly to Denver (DEN)
Related guides
Based on 3,233 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.