Flight OddsAS594 ONT → SEA
Alaska Airlines · Ontario, CA to Seattle, WA · 94 flights observed, 2025-10-26 to 2026-06-29 · 956 mi
AS594 covers more than one route in the data window — the stats below are for ONT → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
71%
Median delay
-1 min
90th percentile
+42 min
Cancellation rate
0%
How often is AS594 on time?
Across 94 flights on ONT → SEA from 2025-10-26 to 2026-06-29, AS594 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +42 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 | 67 | 71% |
| 16-30 min | 13 | 14% |
| 31-60 min | 7 | 7% |
| 61-120 min | 3 | 3% |
| 2+ hrs | 4 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 3 | 67% | +13 min |
| 2025-11 | 18 | 72% | +20 min |
| 2025-12 | 18 | 67% | +9 min |
| 2026-01 | 4 | 25% | +32 min |
| 2026-03 | 12 | 75% | +5 min |
| 2026-04 | 23 | 65% | +11 min |
| 2026-05 | 7 | 100% | -14 min |
| 2026-06 | 9 | 89% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 21 | 76% |
| Tue | 9 | 78% |
| Wed | 6 | 67% |
| Thu | 17 | 65% |
| Fri | 19 | 84% |
| Sat | 2 | 100% |
| Sun | 20 | 55% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…