Best Time to Fly CLE to LAS: On-Time Stats by Hour & Airline
Cleveland-Hopkins International → Harry Reid International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 77.0% of Cleveland (CLE) to Las Vegas (LAS) flights arrived on time (991 scheduled flights). That is 0.6 points below the national average of 77.6%.
Among 2 airlines, Southwest Airlines led with 80.6% on time and Frontier Airlines was last with 74.8%.
Over 24 months, Wednesday was the most reliable day (86% on time) and February the worst month (67%).
The cancellation rate was 1.4% (US average 1.8%).
CLE 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 |
|---|---|---|---|---|
| Southwest Airlines | 80.6% | 56 min | 0.6% | 365 |
| Frontier Airlines | 74.8% | 88 min | 1.9% | 623 |
| American Airlines | Limited data | 2 | ||
| Delta Air Lines | Limited data | 1 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CLE to LAS
On-time arrival % by scheduled departure hour (local time), 1,982 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 9 | |
| 6am–7am | Limited data | 21 | |
| 7am–8am | 79.7% | 1.1% | 269 |
| 8am–9am | 79.8% | 0.0% | 237 |
| 9am–10am | 76.3% | 4.9% | 102 |
| 10am–11am | 85.3% | 0.0% | 34 |
| 11am–12pm | Limited data | 9 | |
| 12pm–1pm | 80.3% | 0.4% | 231 |
| 1pm–2pm | 79.6% | 0.0% | 138 |
| 2pm–3pm | 75.5% | 2.0% | 100 |
| 3pm–4pm | 76.7% | 0.8% | 117 |
| 4pm–5pm | 72.5% | 0.6% | 168 |
| 5pm–6pm | 85.5% | 0.0% | 77 |
| 6pm–7pm | 85.9% | 0.0% | 64 |
| 7pm–8pm | 68.0% | 1.0% | 101 |
| 8pm–9pm | 75.0% | 2.0% | 98 |
| 9pm–10pm | 73.6% | 0.6% | 179 |
| 10pm–11pm | Limited data | 28 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on CLE 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) | 63.2% | -16.4 pts | 0.0% | 38 |
| Christmas & New Year (Dec 20 - Jan 3) | 57.3% | -22.3 pts | 4.7% | 86 |
| Summer peak (Jun 15 - Aug 15) | 77.8% | -1.8 pts | 2.1% | 333 |
| All other days | 79.6% | — | 0.5% | 1,525 |
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).