UA4229 BRO → IAH

United Airlines · Brownsville, TX to Houston, TX · 18 flights observed, 2025-12-18 to 2026-01-05 · 308 mi

UA4229 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
83%
Median delay
-14 min
90th percentile
+36 min
Cancellation rate
0%

How often is UA4229 on time?

Across 18 flights on BRO → IAH from 2025-12-18 to 2026-01-05, UA4229 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +36 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time1583%
16-30 min16%
31-60 min00%
61-120 min211%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121479%+0 min
2026-014100%-15 min

Performance by day of week

DayFlightsOn-time
Mon3100%
Tue2100%
Wed2100%
Thu20%
Fri367%
Sat3100%
Sun3100%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…