Flight OddsUA3630 EWR → STL
United Airlines · Newark, NJ to St. Louis, MO · 308 flights observed, 2025-07-01 to 2026-06-30 · 872 mi
UA3630 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
92%
Median delay
-15 min
90th percentile
+13 min
Cancellation rate
3%
How often is UA3630 on time?
Across 308 flights on EWR → STL from 2025-07-01 to 2026-06-30, UA3630 arrived within 15 minutes of schedule 92% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +13 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 | 273 | 92% |
| 16-30 min | 10 | 3% |
| 31-60 min | 6 | 2% |
| 61-120 min | 5 | 2% |
| 2+ hrs | 3 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 90% | -14 min |
| 2025-08 | 31 | 94% | -10 min |
| 2025-09 | 27 | 100% | -23 min |
| 2025-10 | 25 | 84% | +7 min |
| 2025-12 | 12 | 100% | -15 min |
| 2026-01 | 28 | 82% | -3 min |
| 2026-02 | 25 | 88% | -6 min |
| 2026-03 | 29 | 93% | -4 min |
| 2026-04 | 30 | 100% | -15 min |
| 2026-05 | 30 | 97% | -17 min |
| 2026-06 | 29 | 86% | -2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 40 | 85% |
| Tue | 44 | 91% |
| Wed | 42 | 95% |
| Thu | 43 | 88% |
| Fri | 45 | 93% |
| Sat | 40 | 90% |
| Sun | 43 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…