Flight OddsAA3474 ORD → PWM
American Airlines · Chicago, IL to Portland, ME · 74 flights observed, 2026-03-08 to 2026-05-20 · 900 mi
AA3474 covers more than one route in the data window — the stats below are for ORD → PWM, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
86%
Median delay
-14 min
90th percentile
+40 min
Cancellation rate
1%
How often is AA3474 on time?
Across 74 flights on ORD → PWM from 2026-03-08 to 2026-05-20, AA3474 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +40 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 | 63 | 86% |
| 16-30 min | 0 | 0% |
| 31-60 min | 3 | 4% |
| 61-120 min | 3 | 4% |
| 2+ hrs | 4 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 24 | 75% | +20 min |
| 2026-04 | 29 | 90% | -4 min |
| 2026-05 | 20 | 95% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 73% |
| Tue | 11 | 91% |
| Wed | 11 | 73% |
| Thu | 9 | 89% |
| Fri | 10 | 90% |
| Sat | 10 | 100% |
| Sun | 11 | 91% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…