Flight OddsUA4608 STL → ORD
United Airlines · St. Louis, MO to Chicago, IL · 73 flights observed, 2026-02-12 to 2026-04-29 · 258 mi
UA4608 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
79%
Median delay
-4 min
90th percentile
+132 min
Cancellation rate
1%
How often is UA4608 on time?
Across 73 flights on STL → ORD from 2026-02-12 to 2026-04-29, UA4608 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +132 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 57 | 79% |
| 16-30 min | 2 | 3% |
| 31-60 min | 3 | 4% |
| 61-120 min | 1 | 1% |
| 2+ hrs | 9 | 13% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 15 | 87% | +17 min |
| 2026-03 | 28 | 79% | +41 min |
| 2026-04 | 29 | 76% | +25 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 64% |
| Tue | 7 | 71% |
| Wed | 11 | 100% |
| Thu | 11 | 91% |
| Fri | 11 | 73% |
| Sat | 10 | 70% |
| Sun | 11 | 82% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…