Flight OddsAS1003 SEA → ONT
Alaska Airlines · Seattle, WA to Ontario, CA · 22 flights observed, 2025-10-04 to 2025-10-25 · 956 mi
AS1003 covers more than one route in the data window — the stats below are for SEA → ONT, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
71%
Median delay
-8 min
90th percentile
+56 min
Cancellation rate
5%
How often is AS1003 on time?
Across 22 flights on SEA → ONT from 2025-10-04 to 2025-10-25, AS1003 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +56 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 15 | 71% |
| 16-30 min | 1 | 5% |
| 31-60 min | 3 | 14% |
| 61-120 min | 2 | 10% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 21 | 71% | +6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 67% |
| Tue | 3 | 67% |
| Wed | 3 | 67% |
| Thu | 2 | 100% |
| Fri | 3 | 33% |
| Sat | 4 | 100% |
| Sun | 3 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…