Flight OddsAS166 BOI → SAN
Alaska Airlines · Boise, ID to San Diego, CA · 176 flights observed, 2025-10-26 to 2026-04-21 · 749 mi
AS166 covers more than one route in the data window — the stats below are for BOI → SAN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
91%
Median delay
-7 min
90th percentile
+15 min
Cancellation rate
1%
How often is AS166 on time?
Across 176 flights on BOI → SAN from 2025-10-26 to 2026-04-21, AS166 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +15 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 | 158 | 91% |
| 16-30 min | 7 | 4% |
| 31-60 min | 6 | 3% |
| 61-120 min | 2 | 1% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 5 | 100% | +0 min |
| 2025-11 | 28 | 86% | 0 min |
| 2025-12 | 31 | 97% | -6 min |
| 2026-01 | 31 | 87% | -8 min |
| 2026-02 | 28 | 93% | -8 min |
| 2026-03 | 30 | 87% | +3 min |
| 2026-04 | 21 | 95% | -11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 26 | 92% |
| Tue | 26 | 88% |
| Wed | 25 | 96% |
| Thu | 25 | 88% |
| Fri | 23 | 96% |
| Sat | 24 | 96% |
| Sun | 25 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…