Flight OddsAS430 SEA → SLC
Alaska Airlines · Seattle, WA to Salt Lake City, UT · 233 flights observed, 2025-07-03 to 2026-06-09 · 689 mi
AS430 covers more than one route in the data window — the stats below are for SEA → SLC, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
94%
Median delay
-10 min
90th percentile
+11 min
Cancellation rate
2%
How often is AS430 on time?
Across 233 flights on SEA → SLC from 2025-07-03 to 2026-06-09, AS430 arrived within 15 minutes of schedule 94% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +11 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 215 | 94% |
| 16-30 min | 7 | 3% |
| 31-60 min | 4 | 2% |
| 61-120 min | 1 | 0% |
| 2+ hrs | 1 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 13 | 85% | +14 min |
| 2025-08 | 15 | 100% | -2 min |
| 2025-09 | 17 | 94% | -1 min |
| 2025-10 | 17 | 100% | -8 min |
| 2025-11 | 10 | 100% | -11 min |
| 2025-12 | 31 | 87% | 0 min |
| 2026-01 | 24 | 96% | -6 min |
| 2026-02 | 23 | 96% | -10 min |
| 2026-03 | 29 | 90% | -8 min |
| 2026-04 | 21 | 100% | -14 min |
| 2026-05 | 19 | 95% | -12 min |
| 2026-06 | 9 | 100% | -22 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 45 | 96% |
| Tue | 21 | 90% |
| Wed | 18 | 94% |
| Thu | 44 | 93% |
| Fri | 44 | 93% |
| Sat | 29 | 100% |
| Sun | 27 | 93% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…