Flight OddsAS2431 SEA → STS
Alaska Airlines · Seattle, WA to Santa Rosa, CA · 60 flights observed, 2025-10-26 to 2026-05-11 · 618 mi
AS2431 covers more than one route in the data window — the stats below are for SEA → STS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
79%
Median delay
-6 min
90th percentile
+22 min
Cancellation rate
3%
How often is AS2431 on time?
Across 60 flights on SEA → STS from 2025-10-26 to 2026-05-11, AS2431 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +22 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 46 | 79% |
| 16-30 min | 8 | 14% |
| 31-60 min | 3 | 5% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 83% | -4 min |
| 2025-11 | 20 | 80% | +1 min |
| 2025-12 | 12 | 58% | +16 min |
| 2026-01 | 5 | 100% | -10 min |
| 2026-04 | 6 | 100% | -19 min |
| 2026-05 | 9 | 78% | -8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 80% |
| Tue | 5 | 60% |
| Wed | 6 | 67% |
| Thu | 10 | 90% |
| Fri | 8 | 75% |
| Sat | 9 | 78% |
| Sun | 10 | 90% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…