Flight OddsAS1142 STS → SEA
Alaska Airlines · Santa Rosa, CA to Seattle, WA · 44 flights observed, 2025-08-21 to 2025-10-03 · 618 mi
AS1142 covers more than one route in the data window — the stats below are for STS → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
91%
Median delay
-10 min
90th percentile
+13 min
Cancellation rate
0%
How often is AS1142 on time?
Across 44 flights on STS → SEA from 2025-08-21 to 2025-10-03, AS1142 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +13 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 40 | 91% |
| 16-30 min | 3 | 7% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 11 | 91% | -9 min |
| 2025-09 | 30 | 90% | 0 min |
| 2025-10 | 3 | 100% | -11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 83% |
| Tue | 6 | 83% |
| Wed | 6 | 100% |
| Thu | 7 | 100% |
| Fri | 7 | 86% |
| Sat | 6 | 100% |
| Sun | 6 | 83% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…