Flight OddsAS635 SAN → SMF
Alaska Airlines · San Diego, CA to Sacramento, CA · 51 flights observed, 2025-11-21 to 2026-05-11 · 480 mi
AS635 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
77%
Median delay
-6 min
90th percentile
+35 min
Cancellation rate
8%
How often is AS635 on time?
Across 51 flights on SAN → SMF from 2025-11-21 to 2026-05-11, AS635 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +35 min or later. 8% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 36 | 77% |
| 16-30 min | 5 | 11% |
| 31-60 min | 6 | 13% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 9 | 67% | +4 min |
| 2025-12 | 13 | 54% | +14 min |
| 2026-01 | 6 | 67% | +3 min |
| 2026-04 | 9 | 100% | -12 min |
| 2026-05 | 10 | 100% | -11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 71% |
| Tue | 6 | 83% |
| Wed | 6 | 83% |
| Thu | 6 | 100% |
| Fri | 8 | 75% |
| Sat | 7 | 86% |
| Sun | 7 | 43% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…