PlainFlights

Route · BRO → IAH · 2020–2025 BTS data

Brownsville to Houston

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), BRO to IAH (Brownsville to Houston) ranks #4233 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

91.2%
On-time
+12.2 pts
vs US avg
93 min
Delay when late
1,381
Flights
#4233 of 4927
Corpus placement

Cancelled

4.3%

Best Month

Aug 2020 98%

Worst Month

Jun 2024 79%

Distance

308 mi

Carriers

9

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Oct 2024 53 7 0 0 OO
Aug 2024 48 6 0 0 OO
Jul 2024 61 10 9 0 OO
Jun 2024 57 12 0 1 OO
May 2024 36 9 2 0 OO
Mar 2024 38 5 1 0 OO
Aug 2021 61 4 1 0 YV
Jul 2021 32 3 1 0 YV
May 2021 44 4 0 0 OO,YV
Feb 2021 32 6 9 0 OO
Dec 2020 43 3 0 0 OO
Nov 2020 81 5 0 0 YV,OO
Oct 2020 84 6 0 0 OO
Sep 2020 84 4 0 0 EV,OO
Aug 2020 92 2 6 0 EV
Jul 2020 76 7 3 0 EV
Jun 2020 52 10 0 0 EV
May 2020 47 1 1 0 EV
Apr 2020 37 0 6 0 EV
Mar 2020 124 3 20 0 EV,YV,YX
Feb 2020 104 7 0 0 YV,EV,YX
Jan 2020 95 7 0 0 YV,YX,EV

BRO–IAH seasonal on-time pattern

Best: April (100.0%) · weakest: June (79.8%)

75%80%85%90%95%100%105% JanFebMarAprMayJunJulAugSepOctNovDec 93%

Strongest calendar month

April

100.0% on-time · ~37 flights/mo

Busiest calendar month

January

~95 flights/mo avg

Weakest calendar month

June

79.8% on-time · ~55 flights/mo

Cancellation Rate

4.3%

59 of 1,381 flights

Diversion Rate

0.1%

1 of 1,381 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

BRO - Brownsville

Full on-time, delay-cause, and seasonal performance for Brownsville, TX.

BRO on-time profile

IAH - Houston

Full on-time, delay-cause, and seasonal performance for Houston, TX.

IAH on-time profile

Compare the two airports

See BRO and IAH side by side on delays, cancellations, and reliability.

Compare BRO vs IAH

Origin-hub reliability standing

Among BRO's stronger departures

BRO → IAH posts a 91.2% on-time rate, landing in the ≥85% band with 1 of 2 BTS-tracked routes leaving Brownsville. The same hub also shows 1 mid-band and 0 challenged departures · fleet-wide on-time rank #78 of 4927 (highest on-time = #1).

What the Data Says About BRO to IAH

Brownsville to Houston (BRO to IAH) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 91.2% on-time rate across 1,381 flights, with delays that do happen averaging 93.1 minutes. The corridor runs roughly 308 miles and is served by 9 carriers. Over the most recent 24 months, 59 of 1,381 flights were cancelled (4.3%) and 1 diverted (0.1%).

The monthly split is wide on this route: Aug 2020 posted the strongest performance at 98% on-time, while Jun 2024 came in at just 79% - a 19-point swing worth factoring into travel timing.

On the multi-year calendar, BRO–IAH peaks in April at 100.0% on-time while January carries the heaviest traffic (~95 flights per month) ; the softest month is June at 79.8%, a 20.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does BRO to IAH rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, BRO to IAH ranks #4233 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from BRO to IAH? ▼
Flights from Brownsville to Houston have a 91.2% on-time rate based on 1,381 flights. The average delay is 93.1 minutes. The best recent month was Aug 2020 with 98% on-time.
What is the cancellation rate for BRO to IAH? ▼
Over the last 24 months, 4.3% of flights on this route were cancelled (59 of 1,381 flights) and 0.1% were diverted.
How far is the flight from BRO to IAH? ▼
The flight distance from Brownsville (BRO) to Houston (IAH) is approximately 308 miles. This route is served by 9 carriers.
When is the best time to fly from BRO to IAH? ▼
The best recent month for on-time performance was Aug 2020 (98% on-time). The worst was Jun 2024 (79% on-time). Consider booking during months with historically better performance.

Airports on this route

BRO Airport

Brownsville
IAH Airport

Houston
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.

Using BRO–IAH data

BRO–IAH runs 12.2 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare BRO and IAH airport profiles: delay causes and top routes differ even on the same corridor. BRO airport
  • If your dates flex, April (100.0% on-time) beats June (79.8%) on this corridor. Seasonal chart
  • 4 other routes post a similar 91.2% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

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.