Route · DEN → SJU · 2020–2025 BTS data
Denver to San Juan
The DEN–SJU corridor (Denver, CO → San Juan, PR) runs behind the national average, served by 1 carrier across roughly 2,733 miles.
Data updated 2026-06-13
- 75.3%
- On-time
- -3.7 pts
- vs US avg
- 48 min
- Delay when late
- 582
- Flights
Cancelled
0.3%
Best Month
N/A
Worst Month
N/A
Distance
2,733 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 31 | 6 | 0 | 0 | UA |
| Nov 2025 | 30 | 2 | 0 | 1 | UA |
| Oct 2025 | 31 | 4 | 0 | 0 | UA |
| Jul 2025 | 31 | 14 | 0 | 1 | UA |
| Jun 2025 | 30 | 14 | 0 | 2 | UA |
| May 2025 | 31 | 11 | 0 | 0 | UA |
| Apr 2025 | 30 | 4 | 0 | 0 | UA |
| Mar 2025 | 31 | 7 | 0 | 0 | UA |
| Jan 2025 | 31 | 8 | 0 | 0 | UA |
| Dec 2024 | 31 | 8 | 0 | 0 | UA |
| Nov 2024 | 30 | 9 | 0 | 0 | UA |
| Jul 2024 | 31 | 11 | 1 | 0 | UA |
| Jun 2024 | 30 | 11 | 0 | 0 | UA |
| May 2024 | 31 | 5 | 0 | 0 | UA |
| Apr 2024 | 30 | 6 | 0 | 0 | UA |
| Mar 2024 | 31 | 11 | 0 | 0 | UA |
| Jan 2024 | 31 | 4 | 1 | 0 | UA |
| Dec 2023 | 31 | 5 | 0 | 0 | UA |
| Nov 2023 | 30 | 4 | 0 | 0 | UA |
Cancellation Rate
0.3%
2 of 582 flights
Diversion Rate
0.7%
4 of 582 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
DEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
Origin airport →SJU - San Juan
Full on-time, delay-cause, and seasonal performance for San Juan, PR.
Destination airport →Compare the two airports
See DEN 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 DEN–SJU.
Routes with a similar on-time rate
What the Data Says About DEN to SJU
The Denver to San Juan corridor (DEN to SJU) posts a 75.3% on-time rate on the lower edge of the average band, based on 582 tracked flights. Late flights run 47.8 minutes behind on average. 1 carrier cover the 2,733-mile route; over the last 24 months, 2 of 582 flights were cancelled (0.3%) and 0.7% 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
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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.