Flight OddsUA4585 IAD → ROC
United Airlines · Washington, DC to Rochester, NY · 45 flights observed, 2025-10-26 to 2025-12-17 · 287 mi
UA4585 covers more than one route in the data window — the stats below are for IAD → ROC, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
76%
Median delay
-5 min
90th percentile
+89 min
Cancellation rate
0%
How often is UA4585 on time?
Across 45 flights on IAD → ROC from 2025-10-26 to 2025-12-17, UA4585 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +89 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 34 | 76% |
| 16-30 min | 3 | 7% |
| 31-60 min | 1 | 2% |
| 61-120 min | 4 | 9% |
| 2+ hrs | 3 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 5 | 60% | +34 min |
| 2025-11 | 23 | 83% | +10 min |
| 2025-12 | 17 | 71% | +23 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 43% |
| Tue | 4 | 50% |
| Wed | 8 | 100% |
| Thu | 7 | 86% |
| Fri | 7 | 86% |
| Sat | 4 | 100% |
| Sun | 8 | 63% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…