Route · DCA → SJU · 2020–2025 BTS data
Washington to San Juan
The DCA–SJU corridor (Washington, DC → San Juan, PR) runs behind the national average, served by 1 carrier across roughly 1,554 miles.
Data updated 2026-06-13
- 77%
- On-time
- -2 pts
- vs US avg
- 83 min
- Delay when late
- 1,655
- Flights
Cancelled
0.5%
Best Month
N/A
Worst Month
N/A
Distance
1,554 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 31 | 8 | 0 | 0 | B6 |
| Nov 2025 | 30 | 5 | 0 | 0 | B6 |
| Oct 2025 | 31 | 10 | 0 | 1 | B6 |
| Sep 2025 | 30 | 8 | 0 | 0 | B6 |
| Aug 2025 | 31 | 6 | 0 | 0 | B6 |
| Jul 2025 | 31 | 6 | 0 | 0 | B6 |
| Jun 2025 | 30 | 6 | 0 | 0 | B6 |
| May 2025 | 31 | 1 | 0 | 0 | B6 |
| Apr 2025 | 30 | 5 | 0 | 0 | B6 |
| Mar 2025 | 31 | 6 | 0 | 0 | B6 |
| Jan 2025 | 31 | 8 | 3 | 0 | B6 |
| Dec 2024 | 31 | 10 | 0 | 0 | B6 |
| Nov 2024 | 30 | 5 | 0 | 0 | B6 |
| Oct 2024 | 31 | 4 | 0 | 0 | B6 |
| Sep 2024 | 30 | 7 | 0 | 0 | B6 |
| Aug 2024 | 31 | 10 | 0 | 0 | B6 |
| Jul 2024 | 31 | 12 | 0 | 0 | B6 |
| Jun 2024 | 30 | 6 | 0 | 1 | B6 |
| May 2024 | 31 | 2 | 0 | 0 | B6 |
| Apr 2024 | 30 | 2 | 0 | 0 | B6 |
| Mar 2024 | 31 | 10 | 1 | 0 | B6 |
| Jan 2024 | 31 | 9 | 0 | 0 | B6 |
| Dec 2023 | 31 | 8 | 0 | 0 | B6 |
| Nov 2023 | 30 | 2 | 0 | 0 | B6 |
Cancellation Rate
0.5%
4 of 735 flights
Diversion Rate
0.3%
2 of 735 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
DCA - Washington
Full on-time, delay-cause, and seasonal performance for Washington, DC.
Origin airport →SJU - San Juan
Full on-time, delay-cause, and seasonal performance for San Juan, PR.
Destination airport →Compare the two airports
See DCA 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 DCA–SJU.
Routes with a similar on-time rate
What the Data Says About DCA to SJU
The Washington to San Juan corridor (DCA to SJU) posts a 77% on-time rate on the lower edge of the average band, based on 1,655 tracked flights. Late flights run 83.4 minutes behind on average. 1 carrier cover the 1,554-mile route; over the last 24 months, 4 of 735 flights were cancelled (0.5%) and 0.3% diverted.
Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.
Frequently Asked Questions
How often are flights delayed from DCA to SJU? ▼
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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.