Flight OddsUA3674 IAD → PWM
United Airlines · Washington, DC to Portland, ME · 47 flights observed, 2025-07-01 to 2025-08-17 · 493 mi
UA3674 covers more than one route in the data window — the stats below are for IAD → PWM, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
54%
Median delay
-1 min
90th percentile
+159 min
Cancellation rate
13%
How often is UA3674 on time?
Across 47 flights on IAD → PWM from 2025-07-01 to 2025-08-17, UA3674 arrived within 15 minutes of schedule 54% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +159 min or later. 13% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 22 | 54% |
| 16-30 min | 6 | 15% |
| 31-60 min | 3 | 7% |
| 61-120 min | 3 | 7% |
| 2+ hrs | 7 | 17% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 24 | 38% | +108 min |
| 2025-08 | 17 | 76% | +4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 60% |
| Tue | 5 | 80% |
| Wed | 7 | 43% |
| Thu | 6 | 33% |
| Fri | 6 | 33% |
| Sat | 6 | 83% |
| Sun | 6 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…