PlainFlights

ACK vs HPN - 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
ACK

Nantucket, MA

Nantucket, Massachusetts

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Airport B
HPN

White Plains, NY

White Plains, New York

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Key Performance Metrics

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

Metric ACK HPN
On-Time Rate (higher is better) 80.5% 79.1%
Avg Delay (lower is better) 91.1 min 87.5 min
Delay Rate (lower is better) 19.5% 20.9%
Cancellation Rate (lower is better) 2.49% 1.35%
Total Flights 17,080 117,692
Delayed Flights 3,324 24,587
Cancelled Flights 426 1,588
Top Delay Cause Late Aircraft Carrier

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

Delay Cause Breakdown

ACK - Nantucket, MA

Late Aircraft 47.9%
NAS 26.9%
Carrier 22.1%
Weather 2.9%
Security 0.2%

HPN - White Plains, NY

Carrier 36.6%
Late Aircraft 36.3%
NAS 17.6%
Weather 9.2%
Security 0.3%

Top Routes

Top routes from ACK

Route Flights On-Time
ACK → JFK
New York
2,109 76.2%
JFK → ACK
Nantucket
2,109 79.9%
ACK → LGA
New York
1,973 77.4%
LGA → ACK
Nantucket
1,973 83.2%
ACK → DCA
Washington
1,353 79.7%
DCA → ACK
Nantucket
1,353 82.6%

Top routes from HPN

Route Flights On-Time
PBI → HPN
White Plains
8,708 77.4%
HPN → PBI
West Palm Beach/Palm Beach
8,694 74.3%
ATL → HPN
White Plains
8,057 83.8%
HPN → ATL
Atlanta
8,056 82.9%
CLT → HPN
White Plains
7,151 81%
HPN → CLT
Charlotte
7,146 82.5%

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.