Route · RDU → SJU · 2020–2025 BTS data
Raleigh/Durham to San Juan
The RDU–SJU corridor (Raleigh/Durham, NC → San Juan, PR) runs behind the national average, served by 5 carriers across roughly 1,433 miles.
Data updated 2026-06-13
- 70.4%
- On-time
- -8.6 pts
- vs US avg
- 87 min
- Delay when late
- 1,762
- Flights
Cancelled
1.3%
Best Month
Jan 2024 80%
Worst Month
Jul 2024 58%
Distance
1,433 mi
Carriers
5
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 51 | 17 | 0 | 0 | DL,F9,B6 |
| Nov 2025 | 41 | 14 | 1 | 0 | F9,B6 |
| Aug 2025 | 42 | 15 | 1 | 0 | F9,B6 |
| Jul 2025 | 48 | 12 | 0 | 0 | B6,F9 |
| Jun 2025 | 41 | 15 | 1 | 0 | B6,F9 |
| May 2025 | 38 | 8 | 0 | 0 | B6,F9 |
| Apr 2025 | 42 | 6 | 1 | 0 | F9,B6 |
| Mar 2025 | 43 | 9 | 1 | 0 | B6,F9 |
| Feb 2025 | 33 | 10 | 0 | 0 | B6,F9 |
| Jan 2025 | 43 | 12 | 1 | 1 | B6,F9 |
| Dec 2024 | 61 | 21 | 1 | 0 | B6,F9 |
| Nov 2024 | 33 | 9 | 0 | 0 | B6,F9 |
| Sep 2024 | 31 | 9 | 0 | 0 | B6,F9 |
| Aug 2024 | 43 | 13 | 1 | 0 | B6,F9 |
| Jul 2024 | 62 | 26 | 2 | 0 | B6,F9 |
| Jun 2024 | 60 | 21 | 1 | 0 | B6,F9 |
| May 2024 | 62 | 19 | 0 | 1 | B6,F9 |
| Apr 2024 | 51 | 15 | 1 | 0 | B6,F9 |
| Mar 2024 | 31 | 16 | 2 | 0 | B6 |
| Feb 2024 | 42 | 9 | 0 | 0 | B6,F9 |
| Jan 2024 | 70 | 14 | 0 | 1 | B6,F9 |
| Dec 2023 | 62 | 18 | 0 | 0 | B6,F9 |
| Nov 2023 | 51 | 13 | 0 | 0 | B6,F9 |
| Oct 2023 | 45 | 12 | 1 | 0 | B6,F9 |
Cancellation Rate
1.3%
15 of 1,126 flights
Diversion Rate
0.3%
3 of 1,126 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
RDU - Raleigh/Durham
Full on-time, delay-cause, and seasonal performance for Raleigh/Durham, NC.
Origin airport →SJU - San Juan
Full on-time, delay-cause, and seasonal performance for San Juan, PR.
Destination airport →Compare the two airports
See RDU and SJU side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to RDU–SJU.
Routes with a similar on-time rate
What the Data Says About RDU to SJU
On-time performance on the RDU to SJU pairing (Raleigh/Durham to San Juan) trails a chunk of the network: 70.4% of 1,762 tracked flights arrived on schedule, with a 86.8-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 1,126 flights), with 0.3% diverted.
The monthly split is wide on this route: Jan 2024 posted the strongest performance at 80% on-time, while Jul 2024 came in at just 58% - a 22-point swing worth factoring into travel timing.
Frequently Asked Questions
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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.
Read our methodology - how this data is sourced, computed, and verified.
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.