Flight OddsUA473 STL → ORD
United Airlines · St. Louis, MO to Chicago, IL · 52 flights observed, 2026-03-29 to 2026-05-20 · 258 mi
UA473 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
76%
Median delay
+2 min
90th percentile
+36 min
Cancellation rate
4%
How often is UA473 on time?
Across 52 flights on STL → ORD from 2026-03-29 to 2026-05-20, UA473 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +36 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 | 38 | 76% |
| 16-30 min | 6 | 12% |
| 31-60 min | 2 | 4% |
| 61-120 min | 2 | 4% |
| 2+ hrs | 2 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 3 | 33% | +98 min |
| 2026-04 | 27 | 74% | +9 min |
| 2026-05 | 20 | 85% | +15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 63% |
| Tue | 7 | 57% |
| Wed | 7 | 86% |
| Thu | 7 | 86% |
| Fri | 6 | 83% |
| Sat | 7 | 71% |
| Sun | 8 | 88% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…