Flight OddsAA1818 ORD → PDX
American Airlines · Chicago, IL to Portland, OR · 28 flights observed, 2025-08-06 to 2025-09-02 · 1,739 mi
AA1818 covers more than one route in the data window — the stats below are for ORD → PDX, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
71%
Median delay
-11 min
90th percentile
+76 min
Cancellation rate
0%
How often is AA1818 on time?
Across 28 flights on ORD → PDX from 2025-08-06 to 2025-09-02, AA1818 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +76 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 20 | 71% |
| 16-30 min | 2 | 7% |
| 31-60 min | 0 | 0% |
| 61-120 min | 4 | 14% |
| 2+ hrs | 2 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 26 | 73% | +8 min |
| 2025-09 | 2 | 50% | +151 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 50% |
| Tue | 4 | 50% |
| Wed | 4 | 100% |
| Thu | 4 | 75% |
| Fri | 4 | 100% |
| Sat | 4 | 75% |
| Sun | 4 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…