Flight OddsUA3531 EWR → STL
United Airlines · Newark, NJ to St. Louis, MO · 18 flights observed, 2025-08-01 to 2025-08-18 · 872 mi
UA3531 covers more than one route in the data window — the stats below are for EWR → STL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
59%
Median delay
-18 min
90th percentile
+91 min
Cancellation rate
6%
How often is UA3531 on time?
Across 18 flights on EWR → STL from 2025-08-01 to 2025-08-18, UA3531 arrived within 15 minutes of schedule 59% of the time. The median arrival delay was -18 min, and the worst 10% of flights arrived +91 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 | 10 | 59% |
| 16-30 min | 0 | 0% |
| 31-60 min | 3 | 18% |
| 61-120 min | 3 | 18% |
| 2+ hrs | 1 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 17 | 59% | +16 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 100% |
| Tue | 2 | 50% |
| Wed | 1 | 0% |
| Thu | 2 | 50% |
| Fri | 3 | 67% |
| Sat | 3 | 67% |
| Sun | 3 | 33% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…