Flight OddsAA3559 PWM → ORD
American Airlines · Portland, ME to Chicago, IL · 29 flights observed, 2026-03-09 to 2026-04-06 · 900 mi
AA3559 covers more than one route in the data window — the stats below are for PWM → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
89%
Median delay
-13 min
90th percentile
+15 min
Cancellation rate
3%
How often is AA3559 on time?
Across 29 flights on PWM → ORD from 2026-03-09 to 2026-04-06, AA3559 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +15 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 25 | 89% |
| 16-30 min | 1 | 4% |
| 31-60 min | 1 | 4% |
| 61-120 min | 1 | 4% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 23 | 87% | -5 min |
| 2026-04 | 5 | 100% | -7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 100% |
| Tue | 4 | 75% |
| Wed | 4 | 75% |
| Thu | 4 | 75% |
| Fri | 3 | 100% |
| Sat | 4 | 100% |
| Sun | 4 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…