Flight OddsAS99 SEA → ANC
Alaska Airlines · Seattle, WA to Anchorage, AK · 319 flights observed, 2025-07-01 to 2026-06-30 · 1,448 mi
On-time arrival
76%
Median delay
-4 min
90th percentile
+42 min
Cancellation rate
1%
How often is AS99 on time?
Across 319 flights on SEA → ANC from 2025-07-01 to 2026-06-30, AS99 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +42 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 241 | 76% |
| 16-30 min | 32 | 10% |
| 31-60 min | 25 | 8% |
| 61-120 min | 9 | 3% |
| 2+ hrs | 9 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 61% | +14 min |
| 2025-08 | 31 | 77% | 0 min |
| 2025-09 | 30 | 70% | -1 min |
| 2025-10 | 30 | 67% | +24 min |
| 2025-11 | 29 | 86% | -3 min |
| 2025-12 | 12 | 67% | +33 min |
| 2026-01 | 26 | 85% | +13 min |
| 2026-02 | 25 | 84% | -4 min |
| 2026-03 | 24 | 67% | +21 min |
| 2026-04 | 22 | 86% | -4 min |
| 2026-05 | 27 | 78% | -1 min |
| 2026-06 | 29 | 86% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 47 | 79% |
| Tue | 50 | 84% |
| Wed | 33 | 73% |
| Thu | 49 | 82% |
| Fri | 45 | 76% |
| Sat | 42 | 74% |
| Sun | 50 | 66% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…