Flight OddsSAN → BOS Alaska Airlines
Alaska Airlines · San Diego, CA to Boston, MA · 508 flights, 2025-07-01 to 2026-06-30 · aggregated across 5 flight numbers
On-time arrival
77%
Median delay
-2 min
90th percentile
+48 min
Cancellation rate
2%
How on-time is Alaska Airlines from SAN to BOS?
Across every Alaska Airlines flight number on SAN → BOS (508 flights, 2025-07-01 to 2026-06-30), 77% arrived within 15 minutes of schedule. Median arrival delay -2 min; the worst 10% ran +48 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 378 | 77% |
| 16-30 min | 35 | 7% |
| 31-60 min | 39 | 8% |
| 61-120 min | 24 | 5% |
| 2+ hrs | 16 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 58 | 66% | +16 min |
| 2025-08 | 56 | 75% | +12 min |
| 2025-09 | 45 | 71% | +24 min |
| 2025-10 | 41 | 66% | +23 min |
| 2025-11 | 29 | 72% | +13 min |
| 2025-12 | 40 | 73% | +19 min |
| 2026-01 | 29 | 83% | +3 min |
| 2026-02 | 26 | 73% | -4 min |
| 2026-03 | 28 | 75% | +4 min |
| 2026-04 | 30 | 87% | -7 min |
| 2026-05 | 50 | 92% | -8 min |
| 2026-06 | 60 | 88% | -8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 74 | 85% |
| Tue | 69 | 75% |
| Wed | 63 | 71% |
| Thu | 75 | 77% |
| Fri | 74 | 72% |
| Sat | 62 | 85% |
| Sun | 75 | 72% |
AS flight numbers on SAN → BOS
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…