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Route · SJU → RDU · 2020–2025 BTS data

San Juan to Raleigh/Durham

The SJU–RDU corridor (San Juan, PR → Raleigh/Durham, NC) runs behind the national average, served by 5 carriers across roughly 1,433 miles.

Data updated 2026-06-13

71.9%
On-time
-7.1 pts
vs US avg
82 min
Delay when late
1,763
Flights

Cancelled

1.3%

Best Month

Dec 2023 87%

Worst Month

Dec 2024 61%

Distance

1,433 mi

Carriers

5

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 51 7 0 0 DL,F9,B6
Nov 2025 41 8 1 0 F9,B6
Aug 2025 42 13 1 0 F9,B6
Jul 2025 48 8 0 0 B6,F9
Jun 2025 41 10 1 0 B6,F9
May 2025 38 9 0 0 B6,F9
Apr 2025 42 7 1 0 F9,B6
Mar 2025 44 9 1 0 B6,F9
Feb 2025 33 4 0 0 B6,F9
Jan 2025 43 12 1 1 B6,F9
Dec 2024 62 24 0 0 B6,F9
Nov 2024 34 5 0 0 B6,F9
Sep 2024 31 9 0 0 B6,F9
Aug 2024 43 6 1 1 B6,F9
Jul 2024 62 15 2 1 B6,F9
Jun 2024 60 16 1 0 B6,F9
May 2024 62 20 1 0 B6,F9
Apr 2024 51 14 1 0 B6,F9
Mar 2024 31 10 1 0 B6
Feb 2024 42 12 0 0 B6,F9
Jan 2024 69 14 1 0 B6,F9
Dec 2023 62 8 0 0 B6,F9
Nov 2023 51 14 0 0 B6,F9
Oct 2023 45 12 1 0 B6,F9

Cancellation Rate

1.3%

15 of 1,128 flights

Diversion Rate

0.3%

3 of 1,128 flights

What the Data Says About SJU to RDU

On-time performance on the SJU to RDU pairing (San Juan to Raleigh/Durham) trails a chunk of the network: 71.9% of 1,763 tracked flights arrived on schedule, with a 82.3-minute average delay on the ones that ran late. The route spans about 1,433 miles across 5 carriers. Cancellations over the trailing 24 months hit 1.3% (15 of 1,128 flights), with 0.3% diverted.

The monthly split is wide on this route: Dec 2023 posted the strongest performance at 87% on-time, while Dec 2024 came in at just 61% - a 26-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from SJU to RDU?
Flights from San Juan to Raleigh/Durham have a 71.9% on-time rate based on 1,763 flights. The average delay is 82.3 minutes. The best recent month was Dec 2023 with 87% on-time.
What is the cancellation rate for SJU to RDU?
Over the last 24 months, 1.3% of flights on this route were cancelled (15 of 1,128 flights) and 0.3% were diverted.
How far is the flight from SJU to RDU?
The flight distance from San Juan (SJU) to Raleigh/Durham (RDU) is approximately 1,433 miles. This route is served by 5 carriers.
When is the best time to fly from SJU to RDU?
The best recent month for on-time performance was Dec 2023 (87% on-time). The worst was Dec 2024 (61% 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.