Route · PHL → SJU · 2020–2025 BTS data
Philadelphia to San Juan
The PHL–SJU corridor (Philadelphia, PA → San Juan, PR) runs behind the national average, served by 12 carriers across roughly 1,576 miles.
Data updated 2026-06-13
- 72.4%
- On-time
- -6.6 pts
- vs US avg
- 78 min
- Delay when late
- 9,434
- Flights
Cancelled
1.6%
Best Month
Sep 2024 93%
Worst Month
Jun 2024 45%
Distance
1,576 mi
Carriers
12
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 163 | 72 | 4 | 1 | F9,NK,AA |
| Nov 2025 | 126 | 35 | 2 | 0 | F9,NK,AA |
| Oct 2025 | 95 | 36 | 0 | 0 | AA,F9,NK |
| Sep 2025 | 64 | 25 | 0 | 1 | NK,F9,AA |
| Aug 2025 | 126 | 58 | 3 | 1 | AA,F9,NK |
| Jul 2025 | 132 | 71 | 6 | 0 | AA,NK,F9 |
| Jun 2025 | 132 | 49 | 2 | 0 | AA,NK,F9 |
| May 2025 | 165 | 61 | 0 | 0 | AA,NK,F9 |
| Apr 2025 | 166 | 54 | 0 | 2 | F9,NK,AA |
| Mar 2025 | 157 | 44 | 2 | 0 | AA,F9,NK |
| Feb 2025 | 148 | 43 | 2 | 0 | AA,F9,NK |
| Jan 2025 | 164 | 44 | 5 | 0 | AA,F9,NK |
| Dec 2024 | 164 | 54 | 1 | 1 | AA,F9,NK |
| Nov 2024 | 103 | 18 | 2 | 0 | NK,F9,AA |
| Oct 2024 | 65 | 12 | 0 | 0 | NK,F9 |
| Sep 2024 | 57 | 4 | 0 | 0 | AA,F9,NK |
| Aug 2024 | 128 | 48 | 7 | 1 | AA,F9,NK |
| Jul 2024 | 137 | 74 | 2 | 0 | AA,F9,NK |
| Jun 2024 | 135 | 74 | 2 | 1 | AA,F9,NK |
| May 2024 | 129 | 52 | 4 | 2 | AA,F9,NK |
| Apr 2024 | 114 | 35 | 0 | 0 | AA,F9,NK |
| Mar 2024 | 124 | 47 | 2 | 0 | AA,F9,NK |
| Feb 2024 | 126 | 43 | 0 | 1 | AA,F9,NK |
| Jan 2024 | 161 | 62 | 4 | 0 | AA,F9,NK |
Cancellation Rate
1.6%
50 of 3,081 flights
Diversion Rate
0.4%
11 of 3,081 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
PHL - Philadelphia
Full on-time, delay-cause, and seasonal performance for Philadelphia, PA.
Origin airport →SJU - San Juan
Full on-time, delay-cause, and seasonal performance for San Juan, PR.
Destination airport →Compare the two airports
See PHL 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 PHL–SJU.
Routes with a similar on-time rate
What the Data Says About PHL to SJU
On-time performance on the PHL to SJU pairing (Philadelphia to San Juan) trails a chunk of the network: 72.4% of 9,434 tracked flights arrived on schedule, with a 77.7-minute average delay on the ones that ran late. The route spans about 1,576 miles across 12 carriers. Cancellations over the trailing 24 months hit 1.6% (50 of 3,081 flights), with 0.4% diverted.
The monthly split is wide on this route: Sep 2024 posted the strongest performance at 93% on-time, while Jun 2024 came in at just 45% - a 48-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from PHL to SJU? ▼
What is the cancellation rate for PHL to SJU? ▼
How far is the flight from PHL to SJU? ▼
When is the best time to fly from PHL to SJU? ▼
Flight Guides
Tips and data-driven advice for choosing reliable routes.
Explore PlainFlights
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.