Flight OddsUA4874 ROC → IAD
United Airlines · Rochester, NY to Washington, DC · 165 flights observed, 2025-07-01 to 2026-06-24 · 287 mi
UA4874 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
82%
Median delay
-9 min
90th percentile
+39 min
Cancellation rate
7%
How often is UA4874 on time?
Across 165 flights on ROC → IAD from 2025-07-01 to 2026-06-24, UA4874 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +39 min or later. 7% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 125 | 82% |
| 16-30 min | 10 | 7% |
| 31-60 min | 5 | 3% |
| 61-120 min | 3 | 2% |
| 2+ hrs | 10 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 24 | 58% | +54 min |
| 2025-08 | 31 | 87% | +0 min |
| 2025-09 | 29 | 90% | -6 min |
| 2025-10 | 21 | 95% | +30 min |
| 2025-12 | 11 | 82% | +69 min |
| 2026-01 | 5 | 80% | -7 min |
| 2026-05 | 11 | 91% | -9 min |
| 2026-06 | 21 | 71% | +53 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 22 | 86% |
| Tue | 22 | 82% |
| Wed | 20 | 90% |
| Thu | 25 | 84% |
| Fri | 23 | 83% |
| Sat | 19 | 63% |
| Sun | 22 | 82% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…