Flight OddsUA4613 ORD → STL
United Airlines · Chicago, IL to St. Louis, MO · 360 flights observed, 2025-07-01 to 2026-06-30 · 258 mi
UA4613 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
73%
Median delay
-6 min
90th percentile
+76 min
Cancellation rate
2%
How often is UA4613 on time?
Across 360 flights on ORD → STL from 2025-07-01 to 2026-06-30, UA4613 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +76 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 258 | 73% |
| 16-30 min | 25 | 7% |
| 31-60 min | 24 | 7% |
| 61-120 min | 25 | 7% |
| 2+ hrs | 21 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 71% | +10 min |
| 2025-08 | 31 | 81% | -2 min |
| 2025-09 | 30 | 83% | +3 min |
| 2025-10 | 31 | 84% | -2 min |
| 2025-11 | 29 | 69% | +27 min |
| 2025-12 | 27 | 74% | +13 min |
| 2026-01 | 27 | 63% | +14 min |
| 2026-02 | 27 | 63% | +14 min |
| 2026-03 | 30 | 77% | +16 min |
| 2026-04 | 30 | 53% | +70 min |
| 2026-05 | 30 | 73% | +10 min |
| 2026-06 | 30 | 83% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 50 | 64% |
| Tue | 49 | 82% |
| Wed | 51 | 78% |
| Thu | 50 | 78% |
| Fri | 52 | 67% |
| Sat | 50 | 74% |
| Sun | 51 | 69% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…