Route · IAH → HRL · 2020–2025 BTS data
Houston to Harlingen/San Benito
The IAH–HRL corridor (Houston, TX → Harlingen/San Benito, TX) runs ahead of the national average, served by 11 carriers across roughly 295 miles.
Data updated 2026-06-13
- 88.4%
- On-time
- +9.4 pts
- vs US avg
- 103 min
- Delay when late
- 1,505
- Flights
Cancelled
3.3%
Best Month
Mar 2020 95%
Worst Month
Sep 2023 78%
Distance
295 mi
Carriers
11
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Apr 2024 | 30 | 2 | 0 | 0 | OO |
| Dec 2023 | 31 | 9 | 0 | 1 | OO |
| Sep 2023 | 55 | 12 | 2 | 0 | OO |
| May 2022 | 56 | 11 | 0 | 0 | YV |
| Apr 2022 | 35 | 1 | 1 | 0 | OO,YV |
| Mar 2022 | 33 | 6 | 1 | 0 | OO,YV |
| Jan 2022 | 31 | 7 | 1 | 0 | OO,YV |
| Oct 2021 | 34 | 8 | 1 | 0 | OO,YV |
| Sep 2021 | 58 | 6 | 1 | 0 | YV |
| Aug 2021 | 40 | 7 | 3 | 0 | YV |
| Jun 2021 | 31 | 11 | 1 | 0 | OO,YV |
| May 2021 | 57 | 11 | 1 | 0 | OO,YV |
| Dec 2020 | 42 | 4 | 0 | 0 | OO,YV |
| Nov 2020 | 85 | 8 | 0 | 1 | YV,OO |
| Oct 2020 | 85 | 6 | 0 | 1 | YV,OO |
| Sep 2020 | 84 | 8 | 0 | 0 | YV,EV,OO |
| Aug 2020 | 90 | 6 | 5 | 1 | EV,YV |
| Jul 2020 | 80 | 6 | 3 | 0 | EV,YV |
| Jun 2020 | 50 | 4 | 0 | 0 | EV,F9 |
| May 2020 | 47 | 3 | 1 | 0 | EV,YV,F9 |
| Apr 2020 | 37 | 2 | 1 | 0 | EV,YV |
| Mar 2020 | 128 | 7 | 26 | 0 | EV,YX |
| Feb 2020 | 140 | 17 | 0 | 0 | YV,EV |
| Jan 2020 | 146 | 13 | 1 | 0 | YV,YX,EV |
Cancellation Rate
3.3%
49 of 1,505 flights
Diversion Rate
0.3%
4 of 1,505 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 →HRL - Harlingen/San Benito
Full on-time, delay-cause, and seasonal performance for Harlingen/San Benito, TX.
Destination airport →Compare the two airports
See IAH and HRL 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–HRL.
Routes with a similar on-time rate
What the Data Says About IAH to HRL
Houston to Harlingen/San Benito (IAH to HRL) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 88.4% on-time rate across 1,505 flights, with delays that do happen averaging 102.7 minutes. The corridor runs roughly 295 miles and is served by 11 carriers. Over the most recent 24 months, 49 of 1,505 flights were cancelled (3.3%) and 4 diverted (0.3%).
The monthly split is wide on this route: Mar 2020 posted the strongest performance at 95% on-time, while Sep 2023 came in at just 78% - a 16-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.