Route Reliability
Raleigh–Durham → Las Vegas
RDU–LAS · 2,026 miles · Raleigh–Durham International Airport to Harry Reid International Airport
- 84%
- Arrive within 15 minutes
- 1 min early
- Average arrival delay
- 0.8%
- Cancelled
- 748
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Delta Air Lines91%361 flights
- 2.Southwest Airlines80%341 flights
Not enough history to rank: Frontier Airlines (46 flights). We rank airlines only after 100 flights on the route.
What the data says
Morning flights do better here.
RDU–LAS flights departing between 3–6 AM arrived on time 92% of the time, versus 59% between 3–6 PM.
Friday is doing you no favors.
RDU–LAS flights arrived on time 88% of the time on Thursdays. On Fridays: 79%.
Delta Air Lines runs this route best.
Delta Air Lines arrived on time 91% of the time on this route; Southwest Airlines managed 80%.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon81%(116 flights)
- Tue87%(95 flights)
- Wed85%(93 flights)
- Thu88%(112 flights)
- Fri79%(113 flights)
- Sat84%(107 flights)
- Sun83%(106 flights)
- 3–6 AM92%(50 flights)
- 6–9 AM88%(460 flights)
- 9 AM–12 PM85%(39 flights)
- 12–3 PM84%(96 flights)
- 3–6 PM59%(85 flights)
- 6–9 PM67%(12 flights)
Jun 81% → May 82% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 81% | 78 |
| July 2025 | 84% | 77 |
| August 2025 | 82% | 66 |
| September 2025 | 78% | 51 |
| October 2025 | 73% | 60 |
| November 2025 | 88% | 56 |
| December 2025 | 90% | 57 |
| January 2026 | 83% | 57 |
| February 2026 | 88% | 56 |
| March 2026 | 87% | 62 |
| April 2026 | 92% | 60 |
| May 2026 | 82% | 62 |
Keep nerding
Based on 748 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.