Flight OddsAS173 SEA → ANC
Alaska Airlines · Seattle, WA to Anchorage, AK · 91 flights observed, 2025-07-01 to 2025-10-03 · 1,448 mi
AS173 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
95%
Median delay
-17 min
90th percentile
+11 min
Cancellation rate
10%
How often is AS173 on time?
Across 91 flights on SEA → ANC from 2025-07-01 to 2025-10-03, AS173 arrived within 15 minutes of schedule 95% of the time. The median arrival delay was -17 min, and the worst 10% of flights arrived +11 min or later. 10% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 78 | 95% |
| 16-30 min | 2 | 2% |
| 31-60 min | 0 | 0% |
| 61-120 min | 2 | 2% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 26 | 88% | -2 min |
| 2025-08 | 24 | 96% | -13 min |
| 2025-09 | 29 | 100% | -21 min |
| 2025-10 | 3 | 100% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 12 | 92% |
| Tue | 14 | 93% |
| Wed | 12 | 100% |
| Thu | 14 | 93% |
| Fri | 12 | 100% |
| Sat | 9 | 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…