Flight OddsUA1639 EWR → BOS
United Airlines · Newark, NJ to Boston, MA · 30 flights observed, 2025-07-01 to 2025-07-31 · 200 mi
UA1639 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
21%
Median delay
+66 min
90th percentile
+288 min
Cancellation rate
20%
How often is UA1639 on time?
Across 30 flights on EWR → BOS from 2025-07-01 to 2025-07-31, UA1639 arrived within 15 minutes of schedule 21% of the time. The median arrival delay was +66 min, and the worst 10% of flights arrived +288 min or later. 20% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 5 | 21% |
| 16-30 min | 4 | 17% |
| 31-60 min | 2 | 8% |
| 61-120 min | 5 | 21% |
| 2+ hrs | 8 | 33% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 24 | 21% | +104 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 0% |
| Tue | 5 | 40% |
| Wed | 3 | 33% |
| Thu | 4 | 0% |
| Fri | 3 | 0% |
| Sat | 4 | 25% |
| Sun | 2 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…