Las Vegas (LAS) to Raleigh/Durham (RDU): On-Time Performance
Data through May 2026
Las Vegas (LAS) to Raleigh/Durham (RDU) effectively runs on two schedules. In June 2024, 92% of arrivals were on time; in June 2025 that fell to 63% — a 29-point seasonal swing. Across the full period the route averages 79% on-time against a national 78%.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 1.0%
- Flights/day
- 2.0
- last 12 months
- Duration
- 4h 21m
- scheduled
- Distance
- 2,026 mi
Best airline from LAS to RDU
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Linesmost reliable | 88% | 6 min | 1.1% | 721 |
| Southwest Airlines | 69% | 17 min | 1.0% | 606 |
Monthly on-time trend
Best time to fly from LAS to RDU
Aim for departures around 8 a.m. (91% on-time); avoid 1 p.m. departures (51%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 79% | 15 min |
| Tuesdaybest | 90% | 9 min |
| Wednesday | 85% | 7 min |
| Thursday | 69% | 17 min |
| Friday | 72% | 17 min |
| Saturday | 85% | 6 min |
| Sunday | 77% | 10 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft42%
- Airline operations42%
- National airspace system15%
- Weather1%
Frequently asked questions
- How often are flights from LAS to RDU delayed?
- 21% of LAS–RDU flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 12 minutes.
- Which airline is most reliable from LAS to RDU?
- Delta Air Lines has the best on-time record on this route at 88%, based on 721 flights. 2 airlines flew LAS–RDU frequently enough to compare in this period.
- What is the best time of day to fly from LAS to RDU?
- Departures around 8 a.m. have the best record (91% on-time), while departures around 1 p.m. have the worst (51%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from LAS to RDU?
- The scheduled LAS–RDU flight time averages 4h 21m over 2,026 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are LAS to RDU flights cancelled?
- 1% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from LAS to RDU?
- June 2025 was the roughest month in this dataset, with only 63% of arrivals on time. The best was June 2024 at 92%. If your dates are flexible, that 29-point gap is worth planning around.
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Based on 1,382 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.