KOA to LAS flight delays & on-time performance
Nonstop flights from Ellison Onizuka Kona International Airport at Keāhole to Harry Reid International Airport · 2,718 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at KOA or LAS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Kona (KOA) to Las Vegas (LAS) arrived on time 95% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.3% were cancelled, and 1% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 8pm did best (97% on time); around 9pm did worst (93%).
- Monday was the most reliable day to fly (98% on time) and Saturday the least (90%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (74%).
Which airline is most on time from KOA 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 |
|---|---|---|---|---|---|
| Southwest Airlines | 95% | 0.3% | 2 min | 1.1% | 365 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 8pm97%238 flights
- 9pm93%126 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday98%0.0% cancelled
- Tuesday96%0.0% cancelled
- Wednesday94%0.0% cancelled
- Thursday96%0.0% cancelled
- Friday98%1.9% cancelled
- Saturday90%0.0% cancelled
- Sunday94%0.0% 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)74%
- Air traffic control & airport congestion20%
- Security3%
- Late-arriving aircraft3%
- Extreme weather0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)100%
- Extreme weather0%
- Air traffic control & airport congestion0%
- Security0%
KOA to LAS: common questions
- How often are KOA to LAS flights on time?
- 95% 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 Kona to Las Vegas cancelled?
- 0.3% of scheduled flights were cancelled (1 of 365).
- How long are typical delays?
- Across all flights the average arrival delay was 2 min (early arrivals count as zero). Flights that were late arrived 45 min behind schedule on average, and 1.1% of flights were an hour or more late.
- How long is taxi time at KOA?
- Flights on this route spent 12 min taxiing from the gate to takeoff on average.
Related routes
Return trip: LAS to KOA — 85% on time
More flights from Kona
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: KOA → LAS, nonstop flights by US airlines that report to the DOT. How we calculate this.