Flight OddsUA4521 CVG → EWR
United Airlines · Cincinnati, OH to Newark, NJ · 35 flights observed, 2026-02-12 to 2026-03-27 · 569 mi
UA4521 covers more than one route in the data window — the stats below are for CVG → EWR, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
84%
Median delay
-20 min
90th percentile
+52 min
Cancellation rate
9%
How often is UA4521 on time?
Across 35 flights on CVG → EWR from 2026-02-12 to 2026-03-27, UA4521 arrived within 15 minutes of schedule 84% of the time. The median arrival delay was -20 min, and the worst 10% of flights arrived +52 min or later. 9% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 27 | 84% |
| 16-30 min | 1 | 3% |
| 31-60 min | 1 | 3% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 2 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 15 | 80% | +7 min |
| 2026-03 | 17 | 88% | -3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 100% |
| Tue | 2 | 100% |
| Wed | 3 | 67% |
| Thu | 7 | 57% |
| Fri | 6 | 100% |
| Sat | 3 | 100% |
| Sun | 6 | 83% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…