Flight OddsPDX → ONT Alaska Airlines
Alaska Airlines · Portland, OR to Ontario, CA · 1,020 flights, 2025-07-01 to 2026-06-30 · aggregated across 28 flight numbers
On-time arrival
87%
Median delay
-5 min
90th percentile
+19 min
Cancellation rate
1%
How on-time is Alaska Airlines from PDX to ONT?
Across every Alaska Airlines flight number on PDX → ONT (1,020 flights, 2025-07-01 to 2026-06-30), 87% arrived within 15 minutes of schedule. Median arrival delay -5 min; the worst 10% ran +19 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 880 | 87% |
| 16-30 min | 65 | 6% |
| 31-60 min | 31 | 3% |
| 61-120 min | 21 | 2% |
| 2+ hrs | 10 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 91 | 88% | +4 min |
| 2025-08 | 86 | 85% | +4 min |
| 2025-09 | 77 | 84% | +2 min |
| 2025-10 | 81 | 85% | +1 min |
| 2025-11 | 82 | 91% | -2 min |
| 2025-12 | 75 | 79% | +7 min |
| 2026-01 | 91 | 85% | +6 min |
| 2026-02 | 73 | 88% | -1 min |
| 2026-03 | 84 | 93% | -7 min |
| 2026-04 | 89 | 89% | -4 min |
| 2026-05 | 89 | 90% | -5 min |
| 2026-06 | 89 | 91% | -3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 153 | 92% |
| Tue | 136 | 88% |
| Wed | 141 | 85% |
| Thu | 148 | 82% |
| Fri | 150 | 85% |
| Sat | 128 | 91% |
| Sun | 151 | 89% |
AS flight numbers on PDX → ONT
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…