About 1 in 4 UA 3582 flights from Portland arrived 15+ minutes late, diverted or cancelled over the past year (24%); 5.9% were cancelled. The typical flight landed 15 minutes early.
UA 3582: PWM → IAD
Scheduled to leave Portland at 7:16 p.m. local time, operated by Republic Airways as YX 3582. Over the past year it arrived on time 76% of the time (203 flights), in line with other UA flights on the route at that hour (75%). Last seen in the data Aug 31, 2026.
Usually United Airlines's last flight of the day from Portland to Washington (100% of days). United Airlines's last PWM–IAD flight was cancelled 4.1% of the time, against 1.5% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 5:15 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 30 | 80% |
| Tuesday | 30 | 80% |
| Wednesday | 30 | 70% |
| Thursday | 30 | 70% |
| Friday | 30 | 83% |
| Saturday | 22 | 64% |
| Sunday | 31 | 81% |
Why it was late
All flights PWM → IAD · Connecting off UA 3582? Check the risk
Questions
How often is UA 3582 from PWM to IAD late?
United Airlines 3582 from Portland, ME to Washington, DC arrived 15 or more minutes late, was diverted or was cancelled on 24% of 203 scheduled flights between September 2025 and August 2026. 5.9% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check United Airlines for today's flight. Method.