PlainFlights

Route · HRL → IAH · 2020–2025 BTS data

Harlingen/San Benito to Houston

The HRL–IAH corridor (Harlingen/San Benito, TX → Houston, TX) runs ahead of the national average, served by 10 carriers across roughly 295 miles.

Data updated 2026-06-13

89%
On-time
+10 pts
vs US avg
94 min
Delay when late
1,495
Flights

Cancelled

3.1%

Best Month

Sep 2021 95%

Worst Month

May 2021 79%

Distance

295 mi

Carriers

10

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2023 30 6 0 0 OO
Sep 2023 55 9 2 0 OO
May 2022 55 7 0 0 YV
Apr 2022 35 1 1 0 OO,YV
Mar 2022 33 3 0 0 OO,YV
Jan 2022 31 4 2 0 OO,YV
Oct 2021 36 8 1 0 OO,YV
Sep 2021 57 3 1 1 YV
Aug 2021 39 5 3 0 YV
Jun 2021 32 11 1 0 OO,YV
May 2021 56 12 0 0 OO,YV
Mar 2021 30 1 0 1 YV
Dec 2020 43 2 0 0 OO,YV
Nov 2020 85 7 0 0 YV,OO
Oct 2020 84 7 0 0 YV,OO
Sep 2020 85 10 0 0 YV,EV,OO
Aug 2020 89 8 4 0 EV,YV
Jul 2020 80 11 3 0 EV,YV
Jun 2020 46 5 0 0 EV
May 2020 43 5 1 0 EV,YV
Apr 2020 38 4 1 0 EV,YV,YX
Mar 2020 127 8 25 0 EV,YV,YX
Feb 2020 140 16 0 0 YV,EV
Jan 2020 146 12 1 0 YV,YX,EV

Cancellation Rate

3.1%

46 of 1,495 flights

Diversion Rate

0.1%

2 of 1,495 flights

What the Data Says About HRL to IAH

Harlingen/San Benito to Houston (HRL to IAH) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 89% on-time rate across 1,495 flights, with delays that do happen averaging 94.0 minutes. The corridor runs roughly 295 miles and is served by 10 carriers. Over the most recent 24 months, 46 of 1,495 flights were cancelled (3.1%) and 2 diverted (0.1%).

The monthly split is wide on this route: Sep 2021 posted the strongest performance at 95% on-time, while May 2021 came in at just 79% - a 16-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from HRL to IAH?
Flights from Harlingen/San Benito to Houston have a 89% on-time rate based on 1,495 flights. The average delay is 94.0 minutes. The best recent month was Sep 2021 with 95% on-time.
What is the cancellation rate for HRL to IAH?
Over the last 24 months, 3.1% of flights on this route were cancelled (46 of 1,495 flights) and 0.1% were diverted.
How far is the flight from HRL to IAH?
The flight distance from Harlingen/San Benito (HRL) to Houston (IAH) is approximately 295 miles. This route is served by 10 carriers.
When is the best time to fly from HRL to IAH?
The best recent month for on-time performance was Sep 2021 (95% on-time). The worst was May 2021 (79% on-time). Consider booking during months with historically better performance.

Explore PlainFlights

Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

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 Editorial

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.