Flight OddsPDX → ORD Alaska Airlines
Alaska Airlines · Portland, OR to Chicago, IL · 510 flights, 2025-07-01 to 2026-06-30 · aggregated across 5 flight numbers
On-time arrival
76%
Median delay
+3 min
90th percentile
+29 min
Cancellation rate
1%
How on-time is Alaska Airlines from PDX to ORD?
Across every Alaska Airlines flight number on PDX → ORD (510 flights, 2025-07-01 to 2026-06-30), 76% arrived within 15 minutes of schedule. Median arrival delay +3 min; the worst 10% ran +29 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 381 | 76% |
| 16-30 min | 78 | 16% |
| 31-60 min | 24 | 5% |
| 61-120 min | 11 | 2% |
| 2+ hrs | 8 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 61 | 66% | +14 min |
| 2025-08 | 58 | 69% | +12 min |
| 2025-09 | 46 | 74% | +4 min |
| 2025-10 | 48 | 67% | +10 min |
| 2025-11 | 50 | 82% | +3 min |
| 2025-12 | 43 | 74% | +16 min |
| 2026-01 | 28 | 79% | +9 min |
| 2026-02 | 25 | 88% | +2 min |
| 2026-03 | 31 | 90% | -6 min |
| 2026-04 | 30 | 73% | +8 min |
| 2026-05 | 32 | 91% | -7 min |
| 2026-06 | 50 | 78% | -2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 66 | 76% |
| Tue | 70 | 77% |
| Wed | 64 | 75% |
| Thu | 77 | 78% |
| Fri | 78 | 77% |
| Sat | 69 | 75% |
| Sun | 78 | 73% |
AS flight numbers on PDX → ORD
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…