PlainFlights

IAH vs MOB - 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
MOB

Mobile, AL

Mobile, Alabama

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Key Performance Metrics

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

Metric IAH MOB
On-Time Rate (higher is better) 81.6% 85.2%
Avg Delay (lower is better) 79.8 min 83.5 min
Delay Rate (lower is better) 18.4% 14.8%
Cancellation Rate (lower is better) 1.13% 1.30%
Total Flights 1,404,392 33,438
Delayed Flights 258,419 4,954
Cancelled Flights 15,858 435
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%

MOB - Mobile, AL

Carrier 36.8%
Late Aircraft 36.8%
NAS 14.1%
Weather 12.3%
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 MOB

Route Flights On-Time
ATL → MOB
Mobile
7,902 87%
MOB → ATL
Atlanta
7,902 89.1%
DFW → MOB
Mobile
6,322 79.6%
MOB → DFW
Dallas/Fort Worth
6,320 78.6%
IAH → MOB
Mobile
1,390 87.6%
MOB → IAH
Houston
1,390 87.8%

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.