UA6255 STL → IAH
United Airlines · St. Louis, MO to Houston, TX · 52 flights observed, 2025-10-26 to 2025-12-17 · 667 mi
UA6255 covers more than one route in the data window — the stats below are for STL → IAH, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
84%
Median delay
-13 min
90th percentile
+32 min
Cancellation rate
2%
How often is UA6255 on time?
Across 52 flights on STL → IAH from 2025-10-26 to 2025-12-17, UA6255 arrived within 15 minutes of schedule 84% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +32 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 43 | 84% |
| 16-30 min | 2 | 4% |
| 31-60 min | 4 | 8% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 2 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 83% | -3 min |
| 2025-11 | 28 | 93% | +12 min |
| 2025-12 | 17 | 71% | +62 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 75% |
| Tue | 8 | 100% |
| Wed | 8 | 88% |
| Thu | 6 | 83% |
| Fri | 7 | 57% |
| Sat | 6 | 100% |
| 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…