Flight OddsAS389 BOS → SAN
Alaska Airlines · Boston, MA to San Diego, CA · 314 flights observed, 2025-07-01 to 2026-06-30 · 2,588 mi
On-time arrival
66%
Median delay
+2 min
90th percentile
+60 min
Cancellation rate
1%
How often is AS389 on time?
Across 314 flights on BOS → SAN from 2025-07-01 to 2026-06-30, AS389 arrived within 15 minutes of schedule 66% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +60 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 202 | 66% |
| 16-30 min | 40 | 13% |
| 31-60 min | 36 | 12% |
| 61-120 min | 24 | 8% |
| 2+ hrs | 6 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 30% | +40 min |
| 2025-08 | 26 | 54% | +14 min |
| 2025-09 | 17 | 59% | +27 min |
| 2025-10 | 18 | 56% | +30 min |
| 2025-11 | 20 | 80% | -4 min |
| 2025-12 | 25 | 80% | -1 min |
| 2026-01 | 24 | 75% | -6 min |
| 2026-02 | 26 | 73% | -11 min |
| 2026-03 | 31 | 71% | +24 min |
| 2026-04 | 30 | 80% | +5 min |
| 2026-05 | 31 | 68% | +7 min |
| 2026-06 | 30 | 63% | +12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 48 | 67% |
| Tue | 43 | 74% |
| Wed | 38 | 68% |
| Thu | 48 | 67% |
| Fri | 48 | 56% |
| Sat | 34 | 71% |
| Sun | 49 | 59% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…