UA3598 STL → ORD
United Airlines · St. Louis, MO to Chicago, IL · 16 flights observed, 2025-10-26 to 2025-12-17 · 258 mi
UA3598 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
56%
Median delay
-1 min
90th percentile
+92 min
Cancellation rate
0%
How often is UA3598 on time?
Across 16 flights on STL → ORD from 2025-10-26 to 2025-12-17, UA3598 arrived within 15 minutes of schedule 56% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +92 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 | 9 | 56% |
| 16-30 min | 3 | 19% |
| 31-60 min | 1 | 6% |
| 61-120 min | 2 | 13% |
| 2+ hrs | 1 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 83% | -4 min |
| 2025-12 | 10 | 40% | +46 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 1 | 100% |
| Tue | 4 | 75% |
| Wed | 4 | 50% |
| Thu | 1 | 0% |
| Fri | 1 | 100% |
| Sat | 2 | 50% |
| Sun | 3 | 33% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…