Flight OddsUA4459 EWR → BUF
United Airlines · Newark, NJ to Buffalo, NY · 106 flights observed, 2026-01-06 to 2026-04-29 · 282 mi
UA4459 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
73%
Median delay
-8 min
90th percentile
+140 min
Cancellation rate
5%
How often is UA4459 on time?
Across 106 flights on EWR → BUF from 2026-01-06 to 2026-04-29, UA4459 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +140 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 74 | 73% |
| 16-30 min | 7 | 7% |
| 31-60 min | 3 | 3% |
| 61-120 min | 4 | 4% |
| 2+ hrs | 13 | 13% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 24 | 71% | +20 min |
| 2026-02 | 24 | 71% | +25 min |
| 2026-03 | 25 | 76% | +16 min |
| 2026-04 | 28 | 75% | +22 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 14 | 64% |
| Tue | 16 | 75% |
| Wed | 17 | 76% |
| Thu | 15 | 67% |
| Fri | 16 | 88% |
| Sat | 11 | 55% |
| Sun | 12 | 83% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…