Flight OddsUA631 ATL → EWR
United Airlines · Atlanta, GA to Newark, NJ · 61 flights observed, 2025-07-01 to 2025-10-24 · 746 mi
UA631 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
67%
Median delay
-3 min
90th percentile
+72 min
Cancellation rate
2%
How often is UA631 on time?
Across 61 flights on ATL → EWR from 2025-07-01 to 2025-10-24, UA631 arrived within 15 minutes of schedule 67% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +72 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 39 | 67% |
| 16-30 min | 5 | 9% |
| 31-60 min | 3 | 5% |
| 61-120 min | 9 | 16% |
| 2+ hrs | 2 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 20 | 75% | +17 min |
| 2025-08 | 12 | 92% | -9 min |
| 2025-09 | 5 | 80% | +8 min |
| 2025-10 | 21 | 43% | +26 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 64% |
| Tue | 9 | 78% |
| Wed | 11 | 82% |
| Thu | 11 | 55% |
| Fri | 12 | 67% |
| Sat | No data | — |
| Sun | 4 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…