Flight OddsAS259 SAN → BOS
Alaska Airlines · San Diego, CA to Boston, MA · 85 flights observed, 2025-07-01 to 2025-10-24 · 2,588 mi
AS259 covers more than one route in the data window — the stats below are for SAN → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
83%
Median delay
+2 min
90th percentile
+21 min
Cancellation rate
5%
How often is AS259 on time?
Across 85 flights on SAN → BOS from 2025-07-01 to 2025-10-24, AS259 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +21 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 67 | 83% |
| 16-30 min | 10 | 12% |
| 31-60 min | 4 | 5% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 68% | +9 min |
| 2025-08 | 25 | 92% | +2 min |
| 2025-09 | 16 | 88% | +1 min |
| 2025-10 | 12 | 92% | -7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 16 | 94% |
| Tue | 7 | 71% |
| Wed | 6 | 83% |
| Thu | 16 | 94% |
| Fri | 14 | 79% |
| Sat | 7 | 57% |
| Sun | 15 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…