Flight OddsAS1111 ONT → SEA
Alaska Airlines · Ontario, CA to Seattle, WA · 106 flights observed, 2025-07-01 to 2025-10-25 · 956 mi
AS1111 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
79%
Median delay
-3 min
90th percentile
+37 min
Cancellation rate
8%
How often is AS1111 on time?
Across 106 flights on ONT → SEA from 2025-07-01 to 2025-10-25, AS1111 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +37 min or later. 8% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 77 | 79% |
| 16-30 min | 9 | 9% |
| 31-60 min | 8 | 8% |
| 61-120 min | 2 | 2% |
| 2+ hrs | 2 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 21 | 81% | +5 min |
| 2025-08 | 24 | 79% | +12 min |
| 2025-09 | 28 | 86% | -2 min |
| 2025-10 | 25 | 68% | +9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 14 | 64% |
| Tue | 16 | 75% |
| Wed | 17 | 100% |
| Thu | 16 | 75% |
| Fri | 14 | 71% |
| Sat | 9 | 78% |
| Sun | 12 | 83% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…