PlainFlights

SJU vs BDL - 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
SJU

San Juan, PR

San Juan, Puerto Rico

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Airport B
BDL

Hartford, CT

Hartford, Connecticut

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Key Performance Metrics

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

Metric SJU BDL
On-Time Rate (higher is better) 76.1% 80.7%
Avg Delay (lower is better) 78.5 min 75.8 min
Delay Rate (lower is better) 23.9% 19.3%
Cancellation Rate (lower is better) 0.85% 1.22%
Total Flights 366,579 253,617
Delayed Flights 87,503 48,999
Cancelled Flights 3,126 3,099
Top Delay Cause Late Aircraft Late Aircraft

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

Delay Cause Breakdown

SJU - San Juan, PR

Late Aircraft 45.2%
Carrier 38.4%
NAS 15.3%
Weather 0.9%
Security 0.2%

BDL - Hartford, CT

Late Aircraft 39.8%
Carrier 33.6%
NAS 22.8%
Weather 3.7%
Security 0.1%

Top Routes

Top routes from SJU

Route Flights On-Time
MCO → SJU
San Juan
35,205 74.1%
SJU → MCO
Orlando
35,197 77%
SJU → JFK
New York
19,165 77.9%
JFK → SJU
San Juan
19,069 72.3%
MIA → SJU
San Juan
14,957 78.3%
SJU → MIA
Miami
14,957 80.5%

Top routes from BDL

Route Flights On-Time
BDL → ATL
Atlanta
11,792 86.4%
ATL → BDL
Hartford
11,785 84.3%
BDL → MCO
Orlando
11,640 74.8%
MCO → BDL
Hartford
11,595 74.2%
BDL → ORD
Chicago
11,489 82.5%
ORD → BDL
Hartford
11,489 80.7%

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.