PlainFlights

SDF vs LGA - 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
SDF

Louisville, KY

Louisville, Kentucky

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Airport B
LGA

New York, NY

New York, New York

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Key Performance Metrics

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

Metric SDF LGA
On-Time Rate (higher is better) 82.8% 81.2%
Avg Delay (lower is better) 78.6 min 80.6 min
Delay Rate (lower is better) 17.2% 18.8%
Cancellation Rate (lower is better) 1.24% 1.80%
Total Flights 252,784 1,574,867
Delayed Flights 43,419 295,934
Cancelled Flights 3,127 28,401
Top Delay Cause Carrier Late Aircraft

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

Delay Cause Breakdown

SDF - Louisville, KY

Carrier 38.1%
Late Aircraft 33.8%
NAS 21.6%
Weather 6.3%
Security 0.2%

LGA - New York, NY

Late Aircraft 41.0%
Carrier 30.2%
NAS 23.9%
Weather 4.7%
Security 0.1%

Top Routes

Top routes from SDF

Route Flights On-Time
SDF → ATL
Atlanta
16,538 89.5%
ATL → SDF
Louisville
16,535 86.5%
SDF → DFW
Dallas/Fort Worth
11,294 78.2%
DFW → SDF
Louisville
11,290 75.7%
CLT → SDF
Louisville
11,247 80.2%
SDF → CLT
Charlotte
11,237 82.5%

Top routes from LGA

Route Flights On-Time
ORD → LGA
New York
56,539 78.2%
LGA → ORD
Chicago
56,521 80.8%
ATL → LGA
New York
42,079 80.8%
LGA → ATL
Atlanta
42,078 82.2%
LGA → BOS
Boston
39,006 82.4%
BOS → LGA
New York
38,931 83.4%

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.