Flight OddsUA1334 STL → ORD
United Airlines · St. Louis, MO to Chicago, IL · 49 flights observed, 2025-07-01 to 2025-08-18 · 258 mi
UA1334 covers more than one route in the data window — the stats below are for STL → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
67%
Median delay
+1 min
90th percentile
+127 min
Cancellation rate
2%
How often is UA1334 on time?
Across 49 flights on STL → ORD from 2025-07-01 to 2025-08-18, UA1334 arrived within 15 minutes of schedule 67% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +127 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 | 32 | 67% |
| 16-30 min | 5 | 10% |
| 31-60 min | 5 | 10% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 6 | 13% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 65% | +36 min |
| 2025-08 | 17 | 71% | +28 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 57% |
| Tue | 7 | 71% |
| Wed | 7 | 71% |
| Thu | 7 | 86% |
| Fri | 7 | 43% |
| Sat | 7 | 86% |
| Sun | 6 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…