Flight OddsUA6204 IAH → STL
United Airlines · Houston, TX to St. Louis, MO · 28 flights observed, 2026-05-21 to 2026-06-29 · 667 mi
UA6204 covers more than one route in the data window — the stats below are for IAH → STL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
71%
Median delay
-7 min
90th percentile
+43 min
Cancellation rate
0%
How often is UA6204 on time?
Across 28 flights on IAH → STL from 2026-05-21 to 2026-06-29, UA6204 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +43 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 | 20 | 71% |
| 16-30 min | 2 | 7% |
| 31-60 min | 4 | 14% |
| 61-120 min | 2 | 7% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 7 | 100% | -9 min |
| 2026-06 | 21 | 62% | +11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 83% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 6 | 83% |
| Fri | 4 | 50% |
| Sat | 6 | 83% |
| 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…