PlainFlights

BWI 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
BWI

Baltimore, MD

Baltimore, Maryland

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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 BWI MIA
On-Time Rate (higher is better) 78.0% 77.9%
Avg Delay (lower is better) 61.0 min 78.6 min
Delay Rate (lower is better) 22.0% 22.1%
Cancellation Rate (lower is better) 1.25% 1.02%
Total Flights 1,049,006 1,160,127
Delayed Flights 230,270 256,336
Cancelled Flights 13,150 11,802
Top Delay Cause Carrier Late Aircraft

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

Delay Cause Breakdown

BWI - Baltimore, MD

Carrier 38.9%
Late Aircraft 38.2%
NAS 18.9%
Weather 3.7%
Security 0.3%

MIA - Miami, FL

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

Top Routes

Top routes from BWI

Route Flights On-Time
ATL → BWI
Baltimore
31,846 80.2%
BWI → ATL
Atlanta
31,798 82.1%
MCO → BWI
Baltimore
29,125 77%
BWI → MCO
Orlando
29,050 76.2%
BWI → FLL
Fort Lauderdale
21,397 77.2%
FLL → BWI
Baltimore
21,264 79%

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.