Flight OddsAS324 PDX → ORD
Alaska Airlines · Portland, OR to Chicago, IL · 354 flights observed, 2025-07-01 to 2026-06-30 · 1,739 mi
On-time arrival
73%
Median delay
+4 min
90th percentile
+30 min
Cancellation rate
1%
How often is AS324 on time?
Across 354 flights on PDX → ORD from 2025-07-01 to 2026-06-30, AS324 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was +4 min, and the worst 10% of flights arrived +30 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 255 | 73% |
| 16-30 min | 61 | 17% |
| 31-60 min | 18 | 5% |
| 61-120 min | 9 | 3% |
| 2+ hrs | 7 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 61% | +16 min |
| 2025-08 | 31 | 61% | +15 min |
| 2025-09 | 30 | 67% | +8 min |
| 2025-10 | 31 | 61% | +11 min |
| 2025-11 | 28 | 75% | +7 min |
| 2025-12 | 31 | 68% | +21 min |
| 2026-01 | 23 | 74% | +12 min |
| 2026-02 | 25 | 88% | +2 min |
| 2026-03 | 31 | 90% | -6 min |
| 2026-04 | 30 | 73% | +8 min |
| 2026-05 | 31 | 90% | -7 min |
| 2026-06 | 28 | 68% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 52 | 75% |
| Tue | 53 | 77% |
| Wed | 46 | 74% |
| Thu | 51 | 76% |
| Fri | 51 | 75% |
| Sat | 46 | 70% |
| Sun | 51 | 63% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…