Flight OddsAS78 SEA → ANC
Alaska Airlines · Seattle, WA to Anchorage, AK · 211 flights observed, 2025-07-01 to 2026-06-09 · 1,448 mi
AS78 covers more than one route in the data window — the stats below are for SEA → ANC, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
70%
Median delay
0 min
90th percentile
+39 min
Cancellation rate
1%
How often is AS78 on time?
Across 211 flights on SEA → ANC from 2025-07-01 to 2026-06-09, AS78 arrived within 15 minutes of schedule 70% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +39 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 | 146 | 70% |
| 16-30 min | 31 | 15% |
| 31-60 min | 19 | 9% |
| 61-120 min | 9 | 4% |
| 2+ hrs | 4 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 59% | +21 min |
| 2025-08 | 27 | 41% | +29 min |
| 2025-09 | 22 | 77% | +9 min |
| 2025-10 | 1 | 0% | +59 min |
| 2025-11 | 10 | 90% | -2 min |
| 2025-12 | 1 | 0% | +20 min |
| 2026-01 | 25 | 80% | -9 min |
| 2026-02 | 28 | 75% | +3 min |
| 2026-03 | 17 | 65% | +22 min |
| 2026-04 | 9 | 78% | +2 min |
| 2026-05 | 31 | 84% | -1 min |
| 2026-06 | 9 | 78% | -2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 32 | 59% |
| Tue | 32 | 75% |
| Wed | 24 | 75% |
| Thu | 24 | 63% |
| Fri | 33 | 64% |
| Sat | 32 | 75% |
| Sun | 32 | 78% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…