Flight OddsUA4556 EWR → BUF
United Airlines · Newark, NJ to Buffalo, NY · 50 flights observed, 2025-10-26 to 2025-12-17 · 282 mi
UA4556 covers more than one route in the data window — the stats below are for EWR → BUF, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
40%
Median delay
+28 min
90th percentile
+162 min
Cancellation rate
16%
How often is UA4556 on time?
Across 50 flights on EWR → BUF from 2025-10-26 to 2025-12-17, UA4556 arrived within 15 minutes of schedule 40% of the time. The median arrival delay was +28 min, and the worst 10% of flights arrived +162 min or later. 16% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 17 | 40% |
| 16-30 min | 5 | 12% |
| 31-60 min | 4 | 10% |
| 61-120 min | 8 | 19% |
| 2+ hrs | 8 | 19% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 5 | 40% | +76 min |
| 2025-11 | 24 | 54% | +33 min |
| 2025-12 | 13 | 15% | +94 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 25% |
| Tue | 8 | 38% |
| Wed | 8 | 63% |
| Thu | 3 | 33% |
| Fri | 6 | 50% |
| Sat | 4 | 50% |
| Sun | 5 | 20% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…