PlainFlights

IAH vs HRL - Airport Comparison

Select two airports to compare on-time performance, delays, cancellations, and top routes using U.S. Department of Transportation Bureau of Transportation Statistics (BTS) data (2020–2025) across all 50 states. See our methodology for how metrics are computed.

Airport A
IAH

Houston, TX

Houston, Texas

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Airport B
HRL

Harlingen/San Benito, TX

Harlingen/San Benito, Texas

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Key Performance Metrics

BTS on-time performance data, 2020–2025 cumulative.

Metric IAH HRL
On-Time Rate (higher is better) 81.6% 83.8%
Avg Delay (lower is better) 79.8 min 67.0 min
Delay Rate (lower is better) 18.4% 16.2%
Cancellation Rate (lower is better) 1.13% 1.19%
Total Flights 1,404,392 44,120
Delayed Flights 258,419 7,145
Cancelled Flights 15,858 523
Top Delay Cause Carrier Late Aircraft

✓ / ▲ indicates the more favorable value. Data: BTS On-Time Performance, 2020–2025.

Delay Cause Breakdown

IAH - Houston, TX

Carrier 38.4%
Late Aircraft 34.9%
NAS 18.1%
Weather 8.6%
Security 0.0%

HRL - Harlingen/San Benito, TX

Late Aircraft 45.9%
Carrier 27.1%
NAS 19.3%
Weather 7.6%
Security 0.1%

Top Routes

Top routes from IAH

Route Flights On-Time
IAH → DFW
Dallas/Fort Worth
30,197 76.6%
DFW → IAH
Houston
30,188 76.3%
IAH → LAX
Los Angeles
28,113 83.4%
LAX → IAH
Houston
28,102 86.2%
IAH → DEN
Denver
27,947 80%
IAH → ORD
Chicago
27,946 81%

Top routes from HRL

Route Flights On-Time
DFW → HRL
Harlingen/San Benito
7,762 84.2%
HRL → DFW
Dallas/Fort Worth
7,761 84.8%
HOU → HRL
Harlingen/San Benito
7,441 80%
HRL → HOU
Houston
7,440 85.7%
AUS → HRL
Harlingen/San Benito
2,680 82.6%
HRL → AUS
Austin
2,680 82.4%

Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) On-time rates exclude cancelled and diverted flights. PlainFlights is not affiliated with BTS or the DOT

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This tool queries live on-time, delay, and cancellation figures for the two selected airports from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.