Flight OddsUA3566 ORD → PWM
United Airlines · Chicago, IL to Portland, ME · 21 flights observed, 2026-02-12 to 2026-03-04 · 900 mi
UA3566 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
84%
Median delay
-3 min
90th percentile
+37 min
Cancellation rate
10%
How often is UA3566 on time?
Across 21 flights on ORD → PWM from 2026-02-12 to 2026-03-04, UA3566 arrived within 15 minutes of schedule 84% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +37 min or later. 10% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 16 | 84% |
| 16-30 min | 0 | 0% |
| 31-60 min | 3 | 16% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 15 | 87% | +1 min |
| 2026-03 | 4 | 75% | +6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 2 | 50% |
| Tue | 3 | 100% |
| Wed | 3 | 100% |
| Thu | 3 | 100% |
| Fri | 3 | 67% |
| Sat | 3 | 67% |
| Sun | 2 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…