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IAH vs BOI - 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
BOI

Boise, ID

Boise, Idaho

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Key Performance Metrics

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

Metric IAH BOI
On-Time Rate (higher is better) 81.6% 85.2%
Avg Delay (lower is better) 79.8 min 69.4 min
Delay Rate (lower is better) 18.4% 14.8%
Cancellation Rate (lower is better) 1.13% 0.55%
Total Flights 1,404,392 266,753
Delayed Flights 258,419 39,406
Cancelled Flights 15,858 1,457
Top Delay Cause Carrier Carrier

✓ / ▲ 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%

BOI - Boise, ID

Carrier 41.3%
Late Aircraft 33.3%
NAS 19.1%
Weather 6.1%
Security 0.2%

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 BOI

Route Flights On-Time
SEA → BOI
Boise
25,171 86%
BOI → SEA
Seattle
24,617 86.9%
BOI → DEN
Denver
14,565 84%
DEN → BOI
Boise
14,552 77.6%
BOI → SLC
Salt Lake City
10,117 90.1%
SLC → BOI
Boise
10,115 88%

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.