Flight OddsAA3644 ORD → PWM
American Airlines · Chicago, IL to Portland, ME · 24 flights observed, 2026-02-12 to 2026-03-07 · 900 mi
AA3644 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
87%
Median delay
-11 min
90th percentile
+23 min
Cancellation rate
4%
How often is AA3644 on time?
Across 24 flights on ORD → PWM from 2026-02-12 to 2026-03-07, AA3644 arrived within 15 minutes of schedule 87% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +23 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 20 | 87% |
| 16-30 min | 2 | 9% |
| 31-60 min | 0 | 0% |
| 61-120 min | 1 | 4% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 16 | 94% | -8 min |
| 2026-03 | 7 | 71% | +9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 2 | 100% |
| Tue | 3 | 67% |
| Wed | 3 | 100% |
| Thu | 4 | 100% |
| Fri | 4 | 75% |
| Sat | 4 | 75% |
| Sun | 3 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…