Best Time to Fly RDU to LAS: On-Time Stats by Hour & Airline
Raleigh-Durham International → Harry Reid International
Data through July 2026 · Last updated October 18, 2026
613 flights were scheduled from Raleigh/Durham (RDU) to Las Vegas (LAS) in the last 12 months, and 82.2% of those that flew arrived on time, 4.6 points above the US average of 77.6%.
Delta Air Lines was the most punctual of the 2 airlines on the route at 90.3%, while Southwest Airlines trailed at 74.8%.
November has been the best month (90% on time) and Friday the weakest day of the week (79%).
0.8% of flights were cancelled, versus 1.8% nationally.
RDU 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 |
|---|---|---|---|---|
| Delta Air Lines | 90.3% | 49 min | 1.0% | 303 |
| Southwest Airlines | 74.8% | 41 min | 0.7% | 299 |
| Frontier Airlines | Limited data | 11 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly RDU to LAS
On-time arrival % by scheduled departure hour (local time), 1,327 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 92.0% | 0.0% | 50 |
| 6am–7am | 87.2% | 1.6% | 183 |
| 7am–8am | 87.6% | 0.2% | 638 |
| 9am–10am | 93.5% | 0.0% | 31 |
| 10am–11am | Limited data | 27 | |
| 11am–12pm | 78.7% | 0.0% | 47 |
| 12pm–1pm | 78.7% | 2.0% | 49 |
| 1pm–2pm | 87.9% | 1.7% | 59 |
| 2pm–3pm | Limited data | 14 | |
| 3pm–4pm | 81.8% | 0.0% | 33 |
| 4pm–5pm | 63.6% | 0.0% | 118 |
| 5pm–6pm | 71.7% | 0.0% | 53 |
| 6pm–7pm | Limited data | 17 | |
| 7pm–8pm | Limited data | 8 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on RDU 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 | 23 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 73.5% | -10.8 pts | 0.0% | 49 |
| Summer peak (Jun 15 - Aug 15) | 79.9% | -4.4 pts | 0.5% | 190 |
| All other days | 84.3% | — | 0.5% | 1,065 |
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).