Flight OddsAS2304 ONT → PDX
Alaska Airlines · Ontario, CA to Portland, OR · 28 flights observed, 2026-05-13 to 2026-06-09 · 838 mi
AS2304 covers more than one route in the data window — the stats below are for ONT → PDX, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
81%
Median delay
-6 min
90th percentile
+24 min
Cancellation rate
4%
How often is AS2304 on time?
Across 28 flights on ONT → PDX from 2026-05-13 to 2026-06-09, AS2304 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +24 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 22 | 81% |
| 16-30 min | 3 | 11% |
| 31-60 min | 2 | 7% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 19 | 74% | +1 min |
| 2026-06 | 8 | 100% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 100% |
| Tue | 4 | 75% |
| Wed | 4 | 75% |
| Thu | 4 | 75% |
| Fri | 3 | 67% |
| Sat | 4 | 100% |
| Sun | 4 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…