Best Time to Fly LAS to RDU: On-Time Stats by Hour & Airline
Harry Reid International → Raleigh-Durham International
Data through July 2026 · Last updated October 18, 2026
611 flights were scheduled from Las Vegas (LAS) to Raleigh/Durham (RDU) in the last 12 months, and 81.4% of those that flew arrived on time, 3.8 points above the US average of 77.6%.
Delta Air Lines was the most punctual of the 2 airlines on the route at 89.3%, while Southwest Airlines trailed at 73.8%.
September has been the best month (86% on time) and Thursday the weakest day of the week (69%).
1.1% of flights were cancelled, versus 1.8% nationally.
LAS to RDU 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 | 89.3% | 43 min | 1.0% | 302 |
| Southwest Airlines | 73.8% | 49 min | 1.3% | 299 |
| Frontier Airlines | Limited data | 10 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LAS to RDU
On-time arrival % by scheduled departure hour (local time), 1,325 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | 87.2% | 0.0% | 39 |
| 9am–10am | Limited data | 7 | |
| 10am–11am | 82.9% | 0.0% | 35 |
| 11am–12pm | 63.6% | 0.0% | 67 |
| 12pm–1pm | 68.8% | 0.0% | 63 |
| 1pm–2pm | 51.4% | 0.0% | 37 |
| 2pm–3pm | 77.6% | 0.7% | 135 |
| 3pm–4pm | 71.0% | 1.6% | 63 |
| 4pm–5pm | 61.0% | 2.9% | 103 |
| 5pm–6pm | 60.3% | 1.5% | 65 |
| 9pm–10pm | 81.6% | 0.0% | 38 |
| 10pm–11pm | 87.4% | 0.5% | 646 |
| 11pm–12am | Limited data | 27 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on LAS to RDU
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) | 75.5% | -4.7 pts | 0.0% | 49 |
| Summer peak (Jun 15 - Aug 15) | 69.5% | -10.7 pts | 0.5% | 191 |
| All other days | 80.2% | — | 0.8% | 1,062 |
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).