Flight OddsAS257 SJC → KOA
Alaska Airlines · San Jose, CA to Kona, HI · 68 flights observed, 2025-10-27 to 2026-05-11 · 2,384 mi
AS257 covers more than one route in the data window — the stats below are for SJC → KOA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
94%
Median delay
-21 min
90th percentile
+2 min
Cancellation rate
0%
How often is AS257 on time?
Across 68 flights on SJC → KOA from 2025-10-27 to 2026-05-11, AS257 arrived within 15 minutes of schedule 94% of the time. The median arrival delay was -21 min, and the worst 10% of flights arrived +2 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 64 | 94% |
| 16-30 min | 2 | 3% |
| 31-60 min | 2 | 3% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 3 | 100% | -41 min |
| 2025-11 | 12 | 100% | -26 min |
| 2025-12 | 7 | 100% | -22 min |
| 2026-01 | 2 | 100% | -37 min |
| 2026-02 | 10 | 80% | -3 min |
| 2026-03 | 16 | 94% | -18 min |
| 2026-04 | 13 | 92% | -16 min |
| 2026-05 | 5 | 100% | -25 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 22 | 91% |
| Tue | No data | — |
| Wed | 15 | 100% |
| Thu | No data | — |
| Fri | 21 | 100% |
| Sat | 5 | 60% |
| Sun | 5 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…