United Airlines SFO to KOA on-time performance
United Airlines nonstop flights from San Francisco to Kona · Aug 2025 – Jul 2026
On-time arrivals
86%
arrived < 15 min late
Cancelled
0.3%
3 flights
Avg arrival delay
8 min
49 min when late
Rank on route
#2 of 2
route average 87% on time
Key facts
- United Airlines flights on SFO to KOA arrived on time 86% of the time in Aug 2025 – Jul 2026.
- 0.3% were cancelled, and 4% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 87% on time overall.
- The largest source of delay minutes was late-arriving aircraft (48%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft48%
- Airline (crew, maintenance, cleaning, fueling)36%
- Air traffic control & airport congestion16%
- Extreme weather0%
- Security0%
Other airlines on SFO to KOA
- Alaska Airlines91% on time · 6 min avg delay
Full SFO to KOA comparison →
United Airlines on-time record across all routes →
920 United Airlines flights tracked on this route; 3 cancelled, 2 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.