Flight OddsUA3500 ORD → STL
United Airlines · Chicago, IL to St. Louis, MO · 1 flights observed, 2025-09-30 to 2025-09-30 · 258 mi
UA3500 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
100%
Median delay
-26 min
90th percentile
-26 min
Cancellation rate
0%
How often is UA3500 on time?
Across 1 flights on ORD → STL from 2025-09-30 to 2025-09-30, UA3500 arrived within 15 minutes of schedule 100% of the time. The median arrival delay was -26 min, and the worst 10% of flights arrived -26 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1 | 100% |
| 16-30 min | 0 | 0% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-09 | 1 | 100% | -26 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | 1 | 100% |
| Wed | No data | — |
| Thu | No data | — |
| Fri | No data | — |
| Sat | No data | — |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…