Brownsville to Houston

What the Data Says About BRO to IAH

The Brownsville to Houston corridor (BRO → IAH) covers roughly 308 miles and is served by 9 carriers, based on Bureau of Transportation Statistics reporting. Across 1,381 flights in the dataset, this route posts a 91.2% on-time rate with an average delay of 93.1 minutes when flights run late. Over the most recent 24 months of BTS data, 1,381 flights were recorded on this pairing — 59 cancelled (4.3%) and 1 diverted (0.1%). Those baseline metrics tell you what to expect before you book.

Having 9 carriers on the route matters: more carriers generally means more daily schedule options, competitive pricing, and redundancy when flights are cancelled. With 1,381 total flights analyzed, the 91.2% on-time figure is statistically meaningful rather than a small-sample fluke. The 93.1-minute average delay applies only to flights that actually ran late, so it is not the average wait across all departures — the majority of flights on this route depart on time under the BTS definition of a delay (15+ minutes past schedule).

Looking at recent months, Aug 2020 posted the best performance on this corridor at 98% on-time, while Jun 2024 came in at 79% on-time — a 19-point gap between best and worst recent month. For travelers evaluating the BRO to IAH route, the combination of a 91.2% on-time rate, 93.1-minute average delay, 4.3% recent cancellation rate, and 9 available carriers is the concrete summary of what BTS data shows about reliability on this pairing.