PlainFlights

Route · BDL → SJU · 2020–2025 BTS data

Hartford to San Juan

The BDL–SJU corridor (Hartford, CT → San Juan, PR) runs behind the national average, served by 4 carriers across roughly 1,666 miles.

Data updated 2026-06-13

58.6%
On-time
-20.4 pts
vs US avg
87 min
Delay when late
4,375
Flights

Cancelled

1.3%

Best Month

Apr 2025 82%

Worst Month

Jul 2024 51%

Distance

1,666 mi

Carriers

4

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 97 31 2 0 B6,F9
Nov 2025 64 18 0 0 F9,B6
Oct 2025 53 25 0 1 B6
Sep 2025 54 19 0 0 F9,B6
Aug 2025 91 29 0 5 F9,B6
Jul 2025 88 27 2 2 B6,F9
Jun 2025 83 17 0 0 B6,F9
May 2025 85 19 0 0 B6,F9
Apr 2025 79 14 0 1 F9,B6
Mar 2025 82 39 0 0 B6,F9
Feb 2025 84 19 1 2 B6,F9
Jan 2025 96 44 1 2 B6,F9
Dec 2024 100 36 1 0 B6,F9
Nov 2024 76 29 0 0 B6,F9
Oct 2024 54 11 1 0 F9,B6
Sep 2024 57 12 0 0 B6,F9
Aug 2024 93 42 4 0 B6,F9
Jul 2024 93 46 0 0 B6,F9
Jun 2024 90 44 2 0 B6,F9
May 2024 93 42 2 0 B6,F9
Apr 2024 90 28 2 0 B6,F9
Mar 2024 93 39 3 2 B6,F9
Feb 2024 73 29 1 0 B6,F9
Jan 2024 88 42 3 0 B6,F9,NK

Cancellation Rate

1.3%

25 of 1,956 flights

Diversion Rate

0.8%

15 of 1,956 flights

What the Data Says About BDL to SJU

Hartford to San Juan (BDL to SJU) sits among the less reliable pairings in the BTS dataset, on-time only 58.6% of the time across 4,375 flights, with a 86.5-minute average delay when service runs late. Carriers on this 1,666-mile route (4 total) show a 1.3% cancellation rate and 0.8% diversion rate over the last 24 months (25 of 1,956 flights cancelled).

The monthly split is wide on this route: Apr 2025 posted the strongest performance at 82% on-time, while Jul 2024 came in at just 51% - a 32-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from BDL to SJU?
Flights from Hartford to San Juan have a 58.6% on-time rate based on 4,375 flights. The average delay is 86.5 minutes. The best recent month was Apr 2025 with 82% on-time.
What is the cancellation rate for BDL to SJU?
Over the last 24 months, 1.3% of flights on this route were cancelled (25 of 1,956 flights) and 0.8% were diverted.
How far is the flight from BDL to SJU?
The flight distance from Hartford (BDL) to San Juan (SJU) is approximately 1,666 miles. This route is served by 4 carriers.
When is the best time to fly from BDL to SJU?
The best recent month for on-time performance was Apr 2025 (82% on-time). The worst was Jul 2024 (51% on-time). Consider booking during months with historically better performance.

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Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights Editorial

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.