UA3582 PWM → IAD
United Airlines · Portland, ME to Washington, DC · 178 flights observed, 2025-08-01 to 2026-06-30 · 493 mi
UA3582 covers more than one route in the data window — the stats below are for PWM → IAD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
83%
Median delay
-15 min
90th percentile
+39 min
Cancellation rate
2%
How often is UA3582 on time?
Across 178 flights on PWM → IAD from 2025-08-01 to 2026-06-30, UA3582 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +39 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 143 | 83% |
| 16-30 min | 9 | 5% |
| 31-60 min | 7 | 4% |
| 61-120 min | 9 | 5% |
| 2+ hrs | 5 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 31 | 81% | +2 min |
| 2025-09 | 29 | 79% | -2 min |
| 2025-10 | 31 | 87% | -2 min |
| 2025-11 | 22 | 95% | -9 min |
| 2025-12 | 1 | 0% | +40 min |
| 2026-04 | 1 | 100% | -27 min |
| 2026-05 | 30 | 83% | -3 min |
| 2026-06 | 28 | 75% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 25 | 92% |
| Tue | 26 | 81% |
| Wed | 24 | 75% |
| Thu | 25 | 76% |
| Fri | 27 | 89% |
| Sat | 21 | 76% |
| Sun | 25 | 88% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…