PlainFlights

LAS vs MIA - 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
LAS

Las Vegas, NV

Las Vegas, Nevada

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Airport B
MIA

Miami, FL

Miami, Florida

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Key Performance Metrics

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

Metric LAS MIA
On-Time Rate (higher is better) 78.0% 77.9%
Avg Delay (lower is better) 65.8 min 78.6 min
Delay Rate (lower is better) 22.0% 22.1%
Cancellation Rate (lower is better) 1.02% 1.02%
Total Flights 1,986,833 1,160,127
Delayed Flights 436,423 256,336
Cancelled Flights 20,330 11,802
Top Delay Cause Late Aircraft Late Aircraft

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

Delay Cause Breakdown

LAS - Las Vegas, NV

Late Aircraft 42.2%
Carrier 36.3%
NAS 18.8%
Weather 2.5%
Security 0.2%

MIA - Miami, FL

Late Aircraft 37.5%
Carrier 35.8%
NAS 20.4%
Weather 5.9%
Security 0.3%

Top Routes

Top routes from LAS

Route Flights On-Time
LAX → LAS
Las Vegas
55,240 78.9%
LAS → LAX
Los Angeles
55,149 79.4%
LAS → DEN
Denver
44,661 77.7%
DEN → LAS
Las Vegas
44,636 76.1%
LAS → SEA
Seattle
36,175 81.5%
SEA → LAS
Las Vegas
36,154 80.3%

Top routes from MIA

Route Flights On-Time
ATL → MIA
Miami
37,418 76.7%
MIA → ATL
Atlanta
37,400 76.9%
MIA → JFK
New York
30,548 73.1%
JFK → MIA
Miami
30,546 75.6%
LGA → MIA
Miami
30,353 76.9%
MIA → LGA
New York
30,316 75.4%

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.