Flight OddsUA4271 BRO → IAH
United Airlines · Brownsville, TX to Houston, TX · 273 flights observed, 2025-08-19 to 2026-06-30 · 308 mi
UA4271 covers more than one route in the data window — the stats below are for BRO → IAH, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
89%
Median delay
-13 min
90th percentile
+18 min
Cancellation rate
0%
How often is UA4271 on time?
Across 273 flights on BRO → IAH from 2025-08-19 to 2026-06-30, UA4271 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +18 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 | 241 | 89% |
| 16-30 min | 15 | 6% |
| 31-60 min | 6 | 2% |
| 61-120 min | 3 | 1% |
| 2+ hrs | 7 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 13 | 92% | -10 min |
| 2025-09 | 30 | 97% | -14 min |
| 2025-10 | 31 | 94% | -8 min |
| 2025-11 | 30 | 90% | -9 min |
| 2025-12 | 17 | 88% | -8 min |
| 2026-01 | 25 | 96% | -11 min |
| 2026-02 | 28 | 100% | -15 min |
| 2026-03 | 7 | 86% | -8 min |
| 2026-04 | 30 | 83% | +5 min |
| 2026-05 | 31 | 81% | +7 min |
| 2026-06 | 30 | 70% | +22 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 39 | 85% |
| Tue | 41 | 95% |
| Wed | 40 | 93% |
| Thu | 38 | 84% |
| Fri | 38 | 87% |
| Sat | 38 | 92% |
| Sun | 38 | 84% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…