Flight OddsUA4879 IAH → HSV
United Airlines · Houston, TX to Huntsville, AL · 82 flights observed, 2026-03-05 to 2026-06-30 · 595 mi
UA4879 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
77%
Median delay
-6 min
90th percentile
+48 min
Cancellation rate
2%
How often is UA4879 on time?
Across 82 flights on IAH → HSV from 2026-03-05 to 2026-06-30, UA4879 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +48 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 | 61 | 77% |
| 16-30 min | 6 | 8% |
| 31-60 min | 6 | 8% |
| 61-120 min | 3 | 4% |
| 2+ hrs | 3 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 23 | 78% | +13 min |
| 2026-04 | 1 | 0% | +44 min |
| 2026-05 | 27 | 78% | +3 min |
| 2026-06 | 28 | 79% | +10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 91% |
| Tue | 12 | 75% |
| Wed | 11 | 82% |
| Thu | 13 | 69% |
| Fri | 13 | 69% |
| Sat | 7 | 86% |
| Sun | 12 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…