Cincinnati (CVG) to Denver (DEN): On-Time Performance
Data through May 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 80% on-time against a national 78%. Morning departures also hold up better than evening ones (89% vs 62%), which matters most in the rough months.
- On-time
- 80%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 0.9%
- Flights/day
- 4.2
- last 12 months
- Duration
- 3h 5m
- scheduled
- Distance
- 1,069 mi
Best airline from CVG to DEN
4 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Linesmost reliable | 89% | 12 min | 0.0% | 151 |
| United Airlines | 85% | 12 min | 0.7% | 1,457 |
| Frontier Airlines | 80% | 19 min | 1.5% | 732 |
| Southwest Airlines | 69% | 18 min | 0.7% | 745 |
Monthly on-time trend
Best time to fly from CVG to DEN
Aim for departures around 8 a.m. (90% on-time); avoid 5 p.m. departures (58%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 81% | 15 min |
| Tuesday | 82% | 16 min |
| Wednesday | 80% | 15 min |
| Thursday | 81% | 16 min |
| Friday | 77% | 18 min |
| Saturdaybest | 82% | 11 min |
| Sunday | 80% | 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?
- 20% of CVG–DEN flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 15 minutes.
- Which airline is most reliable from CVG to DEN?
- Delta Air Lines has the best on-time record on this route at 89%, based on 151 flights. 4 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 5 p.m. have the worst (58%). 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 20% of the time.
- How often are CVG to DEN flights cancelled?
- 0.9% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, 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.
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Based on 3,136 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.