Route · IAH → BRO · 2020–2025 BTS data
Houston to Brownsville
The IAH–BRO corridor (Houston, TX → Brownsville, TX) runs ahead of the national average, served by 9 carriers across roughly 308 miles.
Data updated 2026-06-13
- 88.2%
- On-time
- +9.2 pts
- vs US avg
- 97 min
- Delay when late
- 1,384
- Flights
Cancelled
4.2%
Best Month
Aug 2020 99%
Worst Month
Aug 2021 69%
Distance
308 mi
Carriers
9
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Oct 2024 | 53 | 9 | 0 | 0 | OO |
| Aug 2024 | 47 | 8 | 0 | 0 | OO |
| Jul 2024 | 60 | 14 | 8 | 0 | OO |
| Jun 2024 | 58 | 17 | 1 | 0 | OO |
| May 2024 | 37 | 14 | 2 | 0 | OO |
| Mar 2024 | 38 | 4 | 1 | 0 | OO |
| Aug 2021 | 62 | 19 | 1 | 0 | YV |
| Jul 2021 | 33 | 9 | 1 | 0 | YV |
| May 2021 | 45 | 7 | 0 | 0 | OO,YV |
| Feb 2021 | 33 | 4 | 9 | 1 | OO |
| Dec 2020 | 42 | 5 | 0 | 0 | OO |
| Nov 2020 | 82 | 4 | 0 | 0 | YV,OO |
| Oct 2020 | 84 | 6 | 0 | 0 | OO |
| Sep 2020 | 83 | 4 | 0 | 0 | EV,OO |
| Aug 2020 | 92 | 1 | 6 | 0 | EV |
| Jul 2020 | 76 | 5 | 3 | 0 | EV |
| Jun 2020 | 52 | 5 | 0 | 0 | EV |
| May 2020 | 47 | 3 | 1 | 0 | EV |
| Apr 2020 | 37 | 1 | 6 | 0 | EV |
| Mar 2020 | 123 | 5 | 19 | 0 | EV,YV,YX |
| Feb 2020 | 105 | 10 | 0 | 0 | YV,EV,YX |
| Jan 2020 | 95 | 9 | 0 | 0 | YV,YX,EV |
Cancellation Rate
4.2%
58 of 1,384 flights
Diversion Rate
0.1%
1 of 1,384 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
IAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
Origin airport →BRO - Brownsville
Full on-time, delay-cause, and seasonal performance for Brownsville, TX.
Destination airport →Compare the two airports
See IAH and BRO side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to IAH–BRO.
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What the Data Says About IAH to BRO
Houston to Brownsville (IAH to BRO) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 88.2% on-time rate across 1,384 flights, with delays that do happen averaging 97.4 minutes. The corridor runs roughly 308 miles and is served by 9 carriers. Over the most recent 24 months, 58 of 1,384 flights were cancelled (4.2%) and 1 diverted (0.1%).
The monthly split is wide on this route: Aug 2020 posted the strongest performance at 99% on-time, while Aug 2021 came in at just 69% - a 30-point swing worth factoring into travel timing.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.