Flight OddsUA4308 IAD → ROC
United Airlines · Washington, DC to Rochester, NY · 10 flights observed, 2025-08-22 to 2025-09-21 · 287 mi
UA4308 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
40%
Median delay
+20 min
90th percentile
+124 min
Cancellation rate
0%
How often is UA4308 on time?
Across 10 flights on IAD → ROC from 2025-08-22 to 2025-09-21, UA4308 arrived within 15 minutes of schedule 40% of the time. The median arrival delay was +20 min, and the worst 10% of flights arrived +124 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 | 4 | 40% |
| 16-30 min | 2 | 20% |
| 31-60 min | 1 | 10% |
| 61-120 min | 2 | 20% |
| 2+ hrs | 1 | 10% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 4 | 50% | +77 min |
| 2025-09 | 6 | 33% | +29 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | No data | — |
| Wed | No data | — |
| Thu | No data | — |
| Fri | 5 | 40% |
| Sat | 2 | 50% |
| Sun | 3 | 33% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…