Historical on-time performance
San Francisco to Kona
2,367 miData through Dec 2025Source: US DOT · BTS
Flights on SFO–KOA arrive on time 85% of the time over the last 12 months.
On-time rate85%arrived within 15 min
p90 delay20 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 693 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesOn-time85%Medianon timep9020 minCancel0.0%Flights693
Why flights run late
Delay causes
- Airline44%
- Weather0%
- Air traffic (NAS)10%
- Late aircraft46%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SFO → KOA
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 81% to 84% on time.
- Evenings84% on time · p90 20 min · 290 flights
- Mornings82% on time · p90 35 min · 1,226 flights
- Afternoons81% on time · p90 25 min · 660 flights
- Middays81% on time · p90 30 min · 157 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 86% on time.
- Mondays86% on time · p90 20 min · 304 flights
- Sundays84% on time · p90 20 min · 335 flights
- Saturdays83% on time · p90 30 min · 430 flights
- Tuesdays81% on time · p90 30 min · 329 flights
- Thursdays80% on time · p90 25 min · 332 flights
- Wednesdays79% on time · p90 30 min · 300 flights
- Fridays79% on time · p90 45 min · 303 flights
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