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).

ArrivalFlightsShare
Early / on-time14383%
16-30 min95%
31-60 min74%
61-120 min95%
2+ hrs53%

Performance by month

MonthFlightsOn-timeAvg delay
2025-083181%+2 min
2025-092979%-2 min
2025-103187%-2 min
2025-112295%-9 min
2025-1210%+40 min
2026-041100%-27 min
2026-053083%-3 min
2026-062875%+5 min

Performance by day of week

DayFlightsOn-time
Mon2592%
Tue2681%
Wed2475%
Thu2576%
Fri2789%
Sat2176%
Sun2588%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…