KOA → SFO: cancellations & delays
Over Jan 2023 - Apr 2026, 1.1% of Ellison Onizuka Kona International Airport at Keāhole (KOA) to San Francisco International Airport (SFO) flights were cancelled and 15.0% arrived at least 15 minutes late, across 2,696 flights, flown by UA, AS. Cancellations peak in June.
Check today's live KOA departures →Airport pages: Ellison Onizuka Kona International Airport at Keāhole (KOA) · San Francisco International Airport (SFO)
Rates are historical averages from U.S. DOT (BTS) on-time records; a specific flight's live estimate can differ with weather and the day's disruptions.