Best Time to Fly CVG to LAS: On-Time Stats by Hour & Airline
Cincinnati/Northern Kentucky International → Harry Reid International
Data through July 2026 · Last updated October 18, 2026
676 flights were scheduled from Cincinnati (CVG) to Las Vegas (LAS) in the last 12 months, and 80.6% of those that flew arrived on time, 3.0 points above the US average of 77.6%.
Allegiant Air was the most punctual of the 3 airlines on the route at 84.3%, while Frontier Airlines trailed at 77.2%.
October has been the best month (89% on time) and Monday the weakest day of the week (70%).
1.3% of flights were cancelled, versus 1.8% nationally.
CVG to LAS on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Allegiant Air | 84.3% | 168 min | 0.9% | 109 |
| Delta Air Lines | 81.5% | 56 min | 0.8% | 356 |
| Frontier Airlines | 77.2% | 100 min | 2.4% | 211 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CVG to LAS
On-time arrival % by scheduled departure hour (local time), 1,373 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 84.8% | 2.9% | 102 |
| 7am–8am | 81.6% | 0.4% | 694 |
| 8am–9am | Limited data | 21 | |
| 10am–11am | 78.8% | 2.9% | 34 |
| 11am–12pm | Limited data | 6 | |
| 12pm–1pm | Limited data | 10 | |
| 1pm–2pm | 71.9% | 1.7% | 58 |
| 2pm–3pm | 71.6% | 0.0% | 109 |
| 3pm–4pm | 81.7% | 0.0% | 71 |
| 4pm–5pm | Limited data | 9 | |
| 5pm–6pm | Limited data | 5 | |
| 7pm–8pm | 69.6% | 4.2% | 72 |
| 8pm–9pm | 77.9% | 2.5% | 79 |
| 9pm–10pm | 69.0% | 4.0% | 74 |
| 10pm–11pm | Limited data | 29 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on CVG to LAS
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 27 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 69.2% | -11.4 pts | 3.6% | 55 |
| Summer peak (Jun 15 - Aug 15) | 71.4% | -9.2 pts | 2.1% | 236 |
| All other days | 80.7% | — | 0.8% | 1,055 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).