Flight OddsUA3421 ATL → EWR
United Airlines · Atlanta, GA to Newark, NJ · 15 flights observed, 2025-07-05 to 2026-04-25 · 746 mi
UA3421 covers more than one route in the data window — the stats below are for ATL → EWR, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
69%
Median delay
-3 min
90th percentile
+131 min
Cancellation rate
13%
How often is UA3421 on time?
Across 15 flights on ATL → EWR from 2025-07-05 to 2026-04-25, UA3421 arrived within 15 minutes of schedule 69% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +131 min or later. 13% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 9 | 69% |
| 16-30 min | 1 | 8% |
| 31-60 min | 1 | 8% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 2 | 15% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 6 | 67% | +25 min |
| 2025-08 | 3 | 33% | +62 min |
| 2026-04 | 4 | 100% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | No data | — |
| Wed | No data | — |
| Thu | No data | — |
| Fri | No data | — |
| Sat | 8 | 88% |
| Sun | 5 | 40% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…