Flight OddsAS3439 SAN → SMF
Alaska Airlines · San Diego, CA to Sacramento, CA · 250 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 SAN → SMF, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
72%
Median delay
-2 min
90th percentile
+42 min
Cancellation rate
1%
How often is AS3439 on time?
Across 250 flights on SAN → SMF from 2025-07-01 to 2026-06-30, AS3439 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +42 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 | 178 | 72% |
| 16-30 min | 30 | 12% |
| 31-60 min | 19 | 8% |
| 61-120 min | 18 | 7% |
| 2+ hrs | 2 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 27 | 70% | +4 min |
| 2025-08 | 16 | 44% | +11 min |
| 2025-10 | 18 | 56% | +31 min |
| 2025-11 | 28 | 64% | +14 min |
| 2025-12 | 27 | 70% | +8 min |
| 2026-01 | 18 | 89% | -6 min |
| 2026-02 | 20 | 75% | -1 min |
| 2026-03 | 26 | 81% | 0 min |
| 2026-04 | 18 | 100% | -9 min |
| 2026-05 | 19 | 53% | +34 min |
| 2026-06 | 30 | 83% | +0 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 43 | 63% |
| Tue | 40 | 88% |
| Wed | 31 | 71% |
| Thu | 39 | 69% |
| Fri | 39 | 59% |
| Sat | 22 | 82% |
| Sun | 33 | 79% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…