Flight OddsAS1284 SEA → SFO
Alaska Airlines · Seattle, WA to San Francisco, CA · 103 flights observed, 2025-07-01 to 2025-10-25 · 679 mi
On-time arrival
61%
Median delay
+6 min
90th percentile
+59 min
Cancellation rate
0%
How often is AS1284 on time?
Across 103 flights on SEA → SFO from 2025-07-01 to 2025-10-25, AS1284 arrived within 15 minutes of schedule 61% of the time. The median arrival delay was +6 min, and the worst 10% of flights arrived +59 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 | 63 | 61% |
| 16-30 min | 11 | 11% |
| 31-60 min | 19 | 18% |
| 61-120 min | 7 | 7% |
| 2+ hrs | 3 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 70% | +9 min |
| 2025-08 | 25 | 48% | +29 min |
| 2025-09 | 26 | 58% | +20 min |
| 2025-10 | 22 | 68% | +19 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 15 | 47% |
| Tue | 15 | 93% |
| Wed | 17 | 59% |
| Thu | 17 | 59% |
| Fri | 17 | 47% |
| Sat | 15 | 67% |
| Sun | 7 | 57% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…