Flight OddsUA631 PHX → EWR
United Airlines · Phoenix, AZ to Newark, NJ · 36 flights observed, 2025-10-26 to 2025-12-01 · 2,133 mi
UA631 covers more than one route in the data window — the stats below are for PHX → EWR, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
61%
Median delay
+3 min
90th percentile
+68 min
Cancellation rate
6%
How often is UA631 on time?
Across 36 flights on PHX → EWR from 2025-10-26 to 2025-12-01, UA631 arrived within 15 minutes of schedule 61% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +68 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 20 | 61% |
| 16-30 min | 4 | 12% |
| 31-60 min | 5 | 15% |
| 61-120 min | 3 | 9% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 33% | +39 min |
| 2025-11 | 26 | 65% | +13 min |
| 2025-12 | 1 | 100% | 0 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 67% |
| Tue | 5 | 80% |
| Wed | 4 | 50% |
| Thu | 4 | 50% |
| Fri | 5 | 60% |
| Sat | 4 | 50% |
| Sun | 5 | 60% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…