Flight OddsUA4255 IAH → HSV
United Airlines · Houston, TX to Huntsville, AL · 53 flights observed, 2025-10-26 to 2025-12-17 · 595 mi
UA4255 covers more than one route in the data window — the stats below are for IAH → HSV, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
85%
Median delay
-9 min
90th percentile
+19 min
Cancellation rate
2%
How often is UA4255 on time?
Across 53 flights on IAH → HSV from 2025-10-26 to 2025-12-17, UA4255 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +19 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 | 44 | 85% |
| 16-30 min | 5 | 10% |
| 31-60 min | 3 | 6% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 83% | -5 min |
| 2025-11 | 29 | 90% | -7 min |
| 2025-12 | 17 | 76% | -1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 57% |
| Tue | 8 | 75% |
| Wed | 8 | 100% |
| Thu | 7 | 86% |
| Fri | 7 | 100% |
| Sat | 7 | 100% |
| Sun | 8 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…