Route · SJU → MIA · 2020–2025 BTS data
San Juan to Miami
The SJU–MIA corridor (San Juan, PR → Miami, FL) runs ahead of the national average, served by 8 carriers across roughly 1,045 miles.
Data updated 2026-06-13
- 80.5%
- On-time
- +1.5 pts
- vs US avg
- 93 min
- Delay when late
- 14,957
- Flights
Cancelled
0.8%
Best Month
Oct 2024 89%
Worst Month
Mar 2024 61%
Distance
1,045 mi
Carriers
8
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 258 | 44 | 2 | 0 | F9,NK,AA |
| Nov 2025 | 211 | 41 | 1 | 0 | F9,NK,AA |
| Oct 2025 | 176 | 45 | 0 | 1 | AA,F9 |
| Sep 2025 | 168 | 38 | 0 | 0 | NK,F9,AA |
| Aug 2025 | 210 | 54 | 1 | 1 | AA,F9,NK |
| Jul 2025 | 216 | 61 | 1 | 0 | AA,NK,F9 |
| Jun 2025 | 207 | 37 | 6 | 1 | AA,F9,NK |
| May 2025 | 209 | 42 | 0 | 0 | AA,F9,NK |
| Apr 2025 | 222 | 46 | 0 | 0 | F9,NK,AA |
| Mar 2025 | 247 | 61 | 2 | 1 | AA,F9,NK |
| Feb 2025 | 227 | 45 | 1 | 0 | AA,F9,NK |
| Jan 2025 | 245 | 64 | 0 | 0 | AA,F9,NK |
| Dec 2024 | 244 | 68 | 0 | 0 | AA,F9,NK |
| Nov 2024 | 232 | 37 | 1 | 0 | NK,F9,AA |
| Oct 2024 | 219 | 23 | 4 | 0 | NK,F9,AA |
| Sep 2024 | 221 | 30 | 0 | 1 | AA,F9,MQ,NK |
| Aug 2024 | 279 | 90 | 4 | 1 | AA,F9,MQ,NK |
| Jul 2024 | 284 | 75 | 4 | 1 | AA,F9,NK |
| Jun 2024 | 261 | 78 | 11 | 0 | AA,F9,NK |
| May 2024 | 279 | 68 | 1 | 1 | AA,F9,NK |
| Apr 2024 | 267 | 63 | 1 | 0 | AA,F9,NK |
| Mar 2024 | 243 | 95 | 3 | 0 | AA,F9,NK |
| Feb 2024 | 208 | 58 | 0 | 0 | AA,F9,NK |
| Jan 2024 | 222 | 63 | 0 | 0 | AA,F9,NK |
Cancellation Rate
0.8%
43 of 5,555 flights
Diversion Rate
0.1%
8 of 5,555 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SJU - San Juan
Full on-time, delay-cause, and seasonal performance for San Juan, PR.
Origin airport →MIA - Miami
Full on-time, delay-cause, and seasonal performance for Miami, FL.
Destination airport →Compare the two airports
See SJU and MIA side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to SJU–MIA.
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What the Data Says About SJU to MIA
14,957 tracked flights put the SJU to MIA pairing (San Juan to Miami) at a 80.5% on-time rate, squarely in line with the wider network. Delays that do occur run 93.2 minutes on average. Across the 1,045-mile route and its 8 carriers, the trailing 24 months show 0.8% cancelled and 0.1% diverted (5,555 flights sampled).
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 89% on-time, while Mar 2024 came in at just 61% - a 29-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.