Flight OddsUA4516 ORD → STL
United Airlines · Chicago, IL to St. Louis, MO · 58 flights observed, 2026-01-06 to 2026-03-04 · 258 mi
UA4516 covers more than one route in the data window — the stats below are for ORD → STL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
61%
Median delay
+3 min
90th percentile
+126 min
Cancellation rate
3%
How often is UA4516 on time?
Across 58 flights on ORD → STL from 2026-01-06 to 2026-03-04, UA4516 arrived within 15 minutes of schedule 61% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +126 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 | 34 | 61% |
| 16-30 min | 5 | 9% |
| 31-60 min | 8 | 14% |
| 61-120 min | 3 | 5% |
| 2+ hrs | 6 | 11% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 24 | 50% | +51 min |
| 2026-02 | 28 | 71% | +14 min |
| 2026-03 | 4 | 50% | +15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 50% |
| Tue | 9 | 78% |
| Wed | 9 | 56% |
| Thu | 8 | 38% |
| Fri | 7 | 43% |
| Sat | 7 | 86% |
| Sun | 8 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…