PlainFlights

SDF vs EWR - 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
EWR

Newark, NJ

Newark, New Jersey

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Key Performance Metrics

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

Metric SDF EWR
On-Time Rate (higher is better) 82.8% 78.1%
Avg Delay (lower is better) 78.6 min 80.5 min
Delay Rate (lower is better) 17.2% 21.9%
Cancellation Rate (lower is better) 1.24% 1.71%
Total Flights 252,784 1,354,054
Delayed Flights 43,419 296,448
Cancelled Flights 3,127 23,201
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%

EWR - Newark, NJ

Late Aircraft 39.1%
Carrier 32.7%
NAS 23.2%
Weather 4.8%
Security 0.2%

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 EWR

Route Flights On-Time
MCO → EWR
Newark
37,501 73.8%
EWR → MCO
Orlando
37,486 75.6%
ATL → EWR
Newark
33,452 76.8%
EWR → ATL
Atlanta
33,447 79.5%
EWR → ORD
Chicago
29,551 77.1%
ORD → EWR
Newark
29,547 74.4%

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.