Flight OddsUA4398 EWR → BUF
United Airlines · Newark, NJ to Buffalo, NY · 37 flights observed, 2025-08-19 to 2025-09-24 · 282 mi
UA4398 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
53%
Median delay
+10 min
90th percentile
+130 min
Cancellation rate
3%
How often is UA4398 on time?
Across 37 flights on EWR → BUF from 2025-08-19 to 2025-09-24, UA4398 arrived within 15 minutes of schedule 53% of the time. The median arrival delay was +10 min, and the worst 10% of flights arrived +130 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 19 | 53% |
| 16-30 min | 3 | 8% |
| 31-60 min | 8 | 22% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 5 | 14% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 13 | 46% | +30 min |
| 2025-09 | 23 | 57% | +32 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 100% |
| Tue | 6 | 33% |
| Wed | 6 | 67% |
| Thu | 5 | 20% |
| Fri | 5 | 20% |
| Sat | 4 | 50% |
| Sun | 5 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…