Flight OddsUA408 EWR → BOS
United Airlines · Newark, NJ to Boston, MA · 82 flights observed, 2025-08-19 to 2026-05-20 · 200 mi
UA408 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
89%
Median delay
-12 min
90th percentile
+22 min
Cancellation rate
1%
How often is UA408 on time?
Across 82 flights on EWR → BOS from 2025-08-19 to 2026-05-20, UA408 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +22 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 | 72 | 89% |
| 16-30 min | 1 | 1% |
| 31-60 min | 3 | 4% |
| 61-120 min | 5 | 6% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 13 | 92% | +2 min |
| 2025-09 | 23 | 74% | +13 min |
| 2026-03 | 3 | 100% | -9 min |
| 2026-04 | 26 | 100% | -16 min |
| 2026-05 | 16 | 88% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 13 | 85% |
| Tue | 14 | 100% |
| Wed | 13 | 85% |
| Thu | 12 | 83% |
| Fri | 11 | 91% |
| Sat | 5 | 60% |
| Sun | 13 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…