Route
SFO → KOA
San Francisco International Airport Ellison Onizuka Kona International Airport at Keāhole
2,368 miles
Return route KOA → SFO →
Alerts at SFO and KOA
How punctual is this route?
- On-time arrivals
- 86.9%
- Less than 15 minutes late
- Cancelled
- 0.4%
- Of scheduled flights
- Average delay when late
- 58 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,202
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 41%
- Airline (crew, maintenance, cleaning) 39%
- Air traffic control & airport 20%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 84.4% | 77 |
| October 2025 | 80.0% | 67 |
| November 2025 | 91.9% | 62 |
| December 2025 | 85.7% | 91 |
| January 2026 | 93.3% | 89 |
| February 2026 | 82.3% | 79 |
| March 2026 | 86.6% | 100 |
| April 2026 | 90.6% | 97 |
| May 2026 | 89.5% | 105 |
| June 2026 | 89.7% | 146 |
| July 2026 | 85.2% | 155 |
| August 2026 | 82.6% | 134 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| United Airlines | 958 | 85.7% | 0.5% | 56 min |
| Alaska Airlines | 244 | 91.4% | 0.0% | 69 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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