Flight OddsUA4864 ROC → IAD
United Airlines · Rochester, NY to Washington, DC · 53 flights observed, 2025-08-29 to 2026-05-20 · 287 mi
UA4864 covers more than one route in the data window — the stats below are for ROC → IAD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
96%
Median delay
-12 min
90th percentile
+4 min
Cancellation rate
0%
How often is UA4864 on time?
Across 53 flights on ROC → IAD from 2025-08-29 to 2026-05-20, UA4864 arrived within 15 minutes of schedule 96% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +4 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 | 51 | 96% |
| 16-30 min | 1 | 2% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 1 | 100% | 0 min |
| 2026-03 | 2 | 100% | +1 min |
| 2026-04 | 30 | 97% | -9 min |
| 2026-05 | 20 | 95% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 88% |
| Tue | 8 | 100% |
| Wed | 8 | 100% |
| Thu | 7 | 100% |
| Fri | 8 | 100% |
| Sat | 7 | 100% |
| Sun | 7 | 86% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…