Flight OddsUA333 EWR → BOS
United Airlines · Newark, NJ to Boston, MA · 33 flights observed, 2025-08-19 to 2025-09-24 · 200 mi
UA333 covers more than one route in the data window — the stats below are for EWR → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
38%
Median delay
+35 min
90th percentile
+110 min
Cancellation rate
3%
How often is UA333 on time?
Across 33 flights on EWR → BOS from 2025-08-19 to 2025-09-24, UA333 arrived within 15 minutes of schedule 38% of the time. The median arrival delay was +35 min, and the worst 10% of flights arrived +110 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 | 12 | 38% |
| 16-30 min | 4 | 13% |
| 31-60 min | 9 | 28% |
| 61-120 min | 5 | 16% |
| 2+ hrs | 2 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 12 | 58% | +20 min |
| 2025-09 | 20 | 25% | +47 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 60% |
| Tue | 6 | 17% |
| Wed | 5 | 60% |
| Thu | 5 | 40% |
| Fri | 5 | 20% |
| Sat | 2 | 100% |
| Sun | 4 | 0% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…