Flight OddsUA4477 BUF → EWR
United Airlines · Buffalo, NY to Newark, NJ · 81 flights observed, 2025-07-01 to 2025-10-24 · 282 mi
UA4477 covers more than one route in the data window — the stats below are for BUF → EWR, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
77%
Median delay
-7 min
90th percentile
+45 min
Cancellation rate
1%
How often is UA4477 on time?
Across 81 flights on BUF → EWR from 2025-07-01 to 2025-10-24, UA4477 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +45 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 60 | 77% |
| 16-30 min | 7 | 9% |
| 31-60 min | 5 | 6% |
| 61-120 min | 5 | 6% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 4 | 50% | +29 min |
| 2025-08 | 25 | 80% | +4 min |
| 2025-09 | 29 | 76% | +6 min |
| 2025-10 | 20 | 80% | -2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 12 | 83% |
| Tue | 13 | 69% |
| Wed | 12 | 67% |
| Thu | 10 | 80% |
| Fri | 11 | 91% |
| Sat | 5 | 60% |
| Sun | 15 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…