Flight OddsUA556 ATL → EWR
United Airlines · Atlanta, GA to Newark, NJ · 72 flights observed, 2026-02-12 to 2026-05-20 · 746 mi
UA556 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
83%
Median delay
-10 min
90th percentile
+26 min
Cancellation rate
3%
How often is UA556 on time?
Across 72 flights on ATL → EWR from 2026-02-12 to 2026-05-20, UA556 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +26 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 58 | 83% |
| 16-30 min | 5 | 7% |
| 31-60 min | 1 | 1% |
| 61-120 min | 5 | 7% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 12 | 83% | +1 min |
| 2026-03 | 21 | 67% | +11 min |
| 2026-04 | 22 | 86% | +11 min |
| 2026-05 | 15 | 100% | -22 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 12 | 92% |
| Tue | 11 | 73% |
| Wed | 12 | 75% |
| Thu | 13 | 85% |
| Fri | 13 | 77% |
| Sat | No data | — |
| Sun | 9 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…