Flight OddsAS2021 SEA → OAK
Alaska Airlines · Seattle, WA to Oakland, CA · 67 flights observed, 2025-08-20 to 2025-10-25 · 672 mi
AS2021 covers more than one route in the data window — the stats below are for SEA → OAK, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
94%
Median delay
-8 min
90th percentile
+6 min
Cancellation rate
0%
How often is AS2021 on time?
Across 67 flights on SEA → OAK from 2025-08-20 to 2025-10-25, AS2021 arrived within 15 minutes of schedule 94% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +6 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 | 62 | 94% |
| 16-30 min | 2 | 3% |
| 31-60 min | 2 | 3% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 12 | 100% | -10 min |
| 2025-09 | 29 | 97% | -8 min |
| 2025-10 | 25 | 88% | -3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 88% |
| Tue | 9 | 100% |
| Wed | 10 | 100% |
| Thu | 10 | 90% |
| Fri | 10 | 90% |
| Sat | 10 | 100% |
| Sun | 9 | 89% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…