Flight OddsUA4420 EWR → BUF
United Airlines · Newark, NJ to Buffalo, NY · 78 flights observed, 2025-07-01 to 2025-10-24 · 282 mi
UA4420 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
81%
Median delay
-11 min
90th percentile
+41 min
Cancellation rate
0%
How often is UA4420 on time?
Across 78 flights on EWR → BUF from 2025-07-01 to 2025-10-24, UA4420 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +41 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 | 63 | 81% |
| 16-30 min | 4 | 5% |
| 31-60 min | 6 | 8% |
| 61-120 min | 3 | 4% |
| 2+ hrs | 2 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 5 | 60% | +57 min |
| 2025-08 | 26 | 88% | -6 min |
| 2025-09 | 26 | 85% | -4 min |
| 2025-10 | 21 | 71% | +13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 12 | 75% |
| Tue | 13 | 85% |
| Wed | 12 | 92% |
| Thu | 11 | 82% |
| Fri | 12 | 83% |
| Sat | 2 | 50% |
| Sun | 16 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…