Route · ATL → SJU · 2020–2025 BTS data
Atlanta to San Juan
The ATL–SJU corridor (Atlanta, GA → San Juan, PR) runs behind the national average, served by 9 carriers across roughly 1,547 miles.
Data updated 2026-06-13
- 78%
- On-time
- -1 pts
- vs US avg
- 66 min
- Delay when late
- 9,654
- Flights
Cancelled
0.7%
Best Month
Sep 2024 88%
Worst Month
Jul 2024 65%
Distance
1,547 mi
Carriers
9
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 194 | 61 | 5 | 1 | DL,F9,NK |
| Nov 2025 | 149 | 34 | 3 | 1 | DL,F9 |
| Oct 2025 | 133 | 30 | 0 | 1 | DL,F9 |
| Sep 2025 | 128 | 31 | 0 | 0 | DL,NK,F9 |
| Aug 2025 | 155 | 46 | 1 | 0 | F9,NK,DL |
| Jul 2025 | 208 | 65 | 0 | 1 | NK,DL,F9 |
| Jun 2025 | 202 | 66 | 2 | 0 | DL,F9,NK |
| May 2025 | 201 | 66 | 1 | 0 | DL,F9,NK |
| Apr 2025 | 200 | 48 | 0 | 0 | DL,F9,NK |
| Mar 2025 | 220 | 58 | 1 | 0 | DL,F9,NK |
| Feb 2025 | 158 | 39 | 0 | 0 | DL,F9 |
| Jan 2025 | 189 | 57 | 7 | 2 | DL,F9,NK |
| Dec 2024 | 206 | 51 | 1 | 1 | DL,F9,NK |
| Nov 2024 | 136 | 35 | 0 | 0 | NK,DL |
| Oct 2024 | 128 | 16 | 0 | 0 | DL,NK |
| Sep 2024 | 115 | 14 | 0 | 0 | NK,DL |
| Aug 2024 | 161 | 25 | 2 | 0 | DL,F9,NK |
| Jul 2024 | 204 | 72 | 4 | 1 | DL,F9,NK |
| Jun 2024 | 197 | 48 | 0 | 2 | DL,F9,NK |
| May 2024 | 200 | 49 | 1 | 1 | DL,F9,NK |
| Apr 2024 | 175 | 33 | 0 | 0 | DL,F9,NK |
| Mar 2024 | 207 | 45 | 0 | 0 | DL,F9,NK |
| Feb 2024 | 179 | 29 | 0 | 0 | DL,F9,NK |
| Jan 2024 | 209 | 38 | 1 | 0 | DL,F9,NK |
Cancellation Rate
0.7%
29 of 4,254 flights
Diversion Rate
0.3%
11 of 4,254 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ATL - Atlanta
Full on-time, delay-cause, and seasonal performance for Atlanta, GA.
Origin airport →SJU - San Juan
Full on-time, delay-cause, and seasonal performance for San Juan, PR.
Destination airport →Compare the two airports
See ATL 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 ATL–SJU.
Routes with a similar on-time rate
What the Data Says About ATL to SJU
The Atlanta to San Juan corridor (ATL to SJU) posts a 78% on-time rate on the lower edge of the average band, based on 9,654 tracked flights. Late flights run 66.4 minutes behind on average. 9 carriers cover the 1,547-mile route; over the last 24 months, 29 of 4,254 flights were cancelled (0.7%) and 0.3% diverted.
The monthly split is wide on this route: Sep 2024 posted the strongest performance at 88% on-time, while Jul 2024 came in at just 65% - a 23-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.