Flight OddsUA485 ORD → STL
United Airlines · Chicago, IL to St. Louis, MO · 53 flights observed, 2026-03-29 to 2026-05-20 · 258 mi
UA485 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
61%
Median delay
+9 min
90th percentile
+87 min
Cancellation rate
4%
How often is UA485 on time?
Across 53 flights on ORD → STL from 2026-03-29 to 2026-05-20, UA485 arrived within 15 minutes of schedule 61% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +87 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 31 | 61% |
| 16-30 min | 5 | 10% |
| 31-60 min | 6 | 12% |
| 61-120 min | 7 | 14% |
| 2+ hrs | 2 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 3 | 0% | +113 min |
| 2026-04 | 28 | 71% | +10 min |
| 2026-05 | 20 | 55% | +29 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 43% |
| Tue | 8 | 50% |
| Wed | 8 | 50% |
| Thu | 6 | 67% |
| Fri | 7 | 86% |
| Sat | 7 | 71% |
| Sun | 8 | 63% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…