RDU to LAS flight delays & on-time performance
Nonstop flights from Raleigh-Durham International Airport to Harry Reid International Airport · 2,026 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at RDU or LAS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Raleigh/Durham (RDU) to Las Vegas (LAS) arrived on time 82% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.8% were cancelled, and 3% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (90% on time); Southwest Airlines was the least (75%).
- Departures scheduled around 9am did best (93% on time); around 4pm did worst (50%).
- Tuesday was the most reliable day to fly (89% on time) and Friday the least (78%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (39%).
Which airline is most on time from RDU to LAS?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 90% | 1.0% | 6 min | 2.3% | 303 |
| Southwest Airlines | 75% | 0.7% | 12 min | 3.7% | 299 |
| Frontier Airlines | 64% | 0.0% | 25 min | 9.1% | 11 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am88%25 flights
- 6am91%113 flights
- 7am89%250 flights
- 9am93%30 flights
- 12pm79%39 flights
- 1pm87%46 flights
- 2pm64%14 flights
- 3pm50%12 flights
- 4pm50%62 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday82%1.1% cancelled
- Tuesday89%0.0% cancelled
- Wednesday83%0.0% cancelled
- Thursday87%0.0% cancelled
- Friday78%0.0% cancelled
- Saturday82%2.1% cancelled
- Sunday78%2.1% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)39%
- Late-arriving aircraft36%
- Air traffic control & airport congestion22%
- Security3%
- Extreme weather0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather60%
- Airline (crew, maintenance, cleaning, fueling)40%
- Air traffic control & airport congestion0%
- Security0%
RDU to LAS: common questions
- How often are RDU to LAS flights on time?
- 82% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Raleigh/Durham to Las Vegas cancelled?
- 0.8% of scheduled flights were cancelled (5 of 613).
- How long are typical delays?
- Across all flights the average arrival delay was 9 min (early arrivals count as zero). Flights that were late arrived 44 min behind schedule on average, and 3.1% of flights were an hour or more late.
- How long is taxi time at RDU?
- Flights on this route spent 14 min taxiing from the gate to takeoff on average.
Related routes
Return trip: LAS to RDU — 81% on time
More flights from Raleigh/Durham
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: RDU → LAS, nonstop flights by US airlines that report to the DOT. How we calculate this.