Flight OddsAS3439 SMF → SAN
Alaska Airlines · Sacramento, CA to San Diego, CA · 211 flights observed, 2025-07-01 to 2026-06-30 · 480 mi
AS3439 covers more than one route in the data window — the stats below are for SMF → SAN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
76%
Median delay
-1 min
90th percentile
+43 min
Cancellation rate
1%
How often is AS3439 on time?
Across 211 flights on SMF → SAN from 2025-07-01 to 2026-06-30, AS3439 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +43 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 | 157 | 76% |
| 16-30 min | 24 | 12% |
| 31-60 min | 8 | 4% |
| 61-120 min | 17 | 8% |
| 2+ hrs | 1 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 27 | 78% | +7 min |
| 2025-08 | 16 | 69% | +12 min |
| 2025-10 | 17 | 71% | +19 min |
| 2025-11 | 28 | 64% | +16 min |
| 2025-12 | 11 | 82% | +3 min |
| 2026-01 | 4 | 100% | -17 min |
| 2026-02 | 12 | 83% | -1 min |
| 2026-03 | 23 | 87% | +1 min |
| 2026-04 | 19 | 100% | -6 min |
| 2026-05 | 21 | 52% | +29 min |
| 2026-06 | 29 | 76% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 36 | 72% |
| Tue | 27 | 85% |
| Wed | 27 | 78% |
| Thu | 31 | 74% |
| Fri | 32 | 63% |
| Sat | 23 | 87% |
| Sun | 31 | 77% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…