Flight OddsUA3459 IAD → PWM
United Airlines · Washington, DC to Portland, ME · 21 flights observed, 2026-04-30 to 2026-05-20 · 493 mi
UA3459 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
85%
Median delay
-15 min
90th percentile
+19 min
Cancellation rate
5%
How often is UA3459 on time?
Across 21 flights on IAD → PWM from 2026-04-30 to 2026-05-20, UA3459 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +19 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 17 | 85% |
| 16-30 min | 2 | 10% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 1 | 100% | -11 min |
| 2026-05 | 19 | 84% | +21 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 100% |
| Tue | 3 | 100% |
| Wed | 2 | 50% |
| Thu | 3 | 100% |
| Fri | 3 | 67% |
| Sat | 3 | 100% |
| Sun | 3 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…