PlainFlights

BOS vs FLL - 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
BOS

Boston, MA

Boston, Massachusetts

View full profile →
Airport B
FLL

Fort Lauderdale, FL

Fort Lauderdale, Florida

View full profile →

Key Performance Metrics

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

Metric BOS FLL
On-Time Rate (higher is better) 79.9% 76.4%
Avg Delay (lower is better) 78.3 min 74.0 min
Delay Rate (lower is better) 20.1% 23.6%
Cancellation Rate (lower is better) 1.19% 1.19%
Total Flights 1,455,478 1,010,982
Delayed Flights 292,211 238,106
Cancelled Flights 17,391 11,984
Top Delay Cause Carrier Late Aircraft

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

Delay Cause Breakdown

BOS - Boston, MA

Carrier 37.1%
Late Aircraft 34.4%
NAS 25.0%
Weather 3.4%
Security 0.1%

FLL - Fort Lauderdale, FL

Late Aircraft 36.0%
Carrier 33.3%
NAS 24.2%
Weather 5.2%
Security 1.2%

Top Routes

Top routes from BOS

Route Flights On-Time
BOS → DCA
Washington
49,205 81.6%
DCA → BOS
Boston
49,133 80.5%
LGA → BOS
Boston
39,006 82.4%
BOS → LGA
New York
38,931 83.4%
BOS → ORD
Chicago
35,774 82.1%
ORD → BOS
Boston
35,759 78.5%

Top routes from FLL

Route Flights On-Time
FLL → ATL
Atlanta
42,458 77.5%
ATL → FLL
Fort Lauderdale
42,441 77.2%
EWR → FLL
Fort Lauderdale
29,146 75.3%
FLL → EWR
Newark
29,136 74%
FLL → LGA
New York
24,199 75.8%
LGA → FLL
Fort Lauderdale
24,183 74.5%

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.