Flight OddsUnited Airlines · Houston, TX to Harlingen/San Benito, TX · 141 flights observed, 2025-12-18 to 2026-05-20 · 295 mi
UA4338 covers more than one route in the data window — the stats below are for IAH → HRL, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA4338 on time?
Across 141 flights on IAH → HRL from 2025-12-18 to 2026-05-20, UA4338 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +27 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 119 | 86% |
| 16-30 min | 9 | 6% |
| 31-60 min | 8 | 6% |
| 61-120 min | 1 | 1% |
| 2+ hrs | 2 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 12 | 75% | +1 min |
| 2026-01 | 29 | 90% | -7 min |
| 2026-02 | 24 | 96% | -18 min |
| 2026-03 | 30 | 83% | -11 min |
| 2026-04 | 30 | 80% | -2 min |
| 2026-05 | 14 | 86% | +6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 18 | 94% |
| Tue | 22 | 82% |
| Wed | 19 | 89% |
| Thu | 21 | 81% |
| Fri | 22 | 86% |
| Sat | 22 | 86% |
| Sun | 15 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…