Flight OddsUA4538 EWR → BTV
United Airlines · Newark, NJ to Burlington, VT · 83 flights observed, 2026-03-05 to 2026-06-30 · 266 mi
UA4538 covers more than one route in the data window — the stats below are for EWR → BTV, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
75%
Median delay
-7 min
90th percentile
+74 min
Cancellation rate
4%
How often is UA4538 on time?
Across 83 flights on EWR → BTV from 2026-03-05 to 2026-06-30, UA4538 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +74 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 60 | 75% |
| 16-30 min | 3 | 4% |
| 31-60 min | 6 | 8% |
| 61-120 min | 6 | 8% |
| 2+ hrs | 5 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 25 | 60% | +71 min |
| 2026-04 | 30 | 77% | +16 min |
| 2026-05 | 19 | 89% | -9 min |
| 2026-06 | 6 | 83% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 82% |
| Tue | 12 | 83% |
| Wed | 10 | 80% |
| Thu | 11 | 73% |
| Fri | 12 | 67% |
| Sat | 12 | 83% |
| Sun | 12 | 58% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…