Route · SJU → PHL · 2020–2025 BTS data
San Juan to Philadelphia
The SJU–PHL corridor (San Juan, PR → Philadelphia, PA) runs behind the national average, served by 12 carriers across roughly 1,576 miles.
Data updated 2026-06-13
- 74.2%
- On-time
- -4.8 pts
- vs US avg
- 95 min
- Delay when late
- 9,431
- Flights
Cancelled
1.8%
Best Month
Sep 2024 88%
Worst Month
May 2024 41%
Distance
1,576 mi
Carriers
12
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 164 | 69 | 6 | 0 | F9,NK,AA |
| Nov 2025 | 125 | 29 | 2 | 1 | F9,NK,AA |
| Oct 2025 | 93 | 22 | 0 | 0 | AA,F9,NK |
| Sep 2025 | 65 | 25 | 0 | 0 | NK,F9,AA |
| Aug 2025 | 129 | 47 | 3 | 0 | AA,F9,NK |
| Jul 2025 | 132 | 54 | 5 | 0 | AA,NK,F9 |
| Jun 2025 | 133 | 41 | 2 | 1 | AA,NK,F9 |
| May 2025 | 165 | 43 | 0 | 0 | AA,NK,F9 |
| Apr 2025 | 165 | 24 | 0 | 1 | F9,NK,AA |
| Mar 2025 | 157 | 32 | 4 | 3 | AA,F9,NK |
| Feb 2025 | 148 | 36 | 2 | 0 | AA,F9,NK |
| Jan 2025 | 164 | 50 | 5 | 2 | AA,F9,NK |
| Dec 2024 | 165 | 55 | 0 | 0 | AA,F9,NK |
| Nov 2024 | 102 | 17 | 1 | 0 | NK,F9,AA |
| Oct 2024 | 64 | 11 | 0 | 0 | NK,F9 |
| Sep 2024 | 58 | 7 | 0 | 0 | AA,F9,NK |
| Aug 2024 | 128 | 59 | 5 | 2 | AA,F9,NK |
| Jul 2024 | 136 | 75 | 4 | 0 | AA,F9,NK |
| Jun 2024 | 132 | 62 | 3 | 0 | AA,F9,NK |
| May 2024 | 129 | 76 | 4 | 2 | AA,F9,NK |
| Apr 2024 | 113 | 50 | 1 | 1 | AA,F9,NK |
| Mar 2024 | 124 | 63 | 2 | 2 | AA,F9,NK |
| Feb 2024 | 126 | 51 | 1 | 0 | AA,F9,NK |
| Jan 2024 | 161 | 61 | 4 | 3 | AA,F9,NK |
Cancellation Rate
1.8%
54 of 3,078 flights
Diversion Rate
0.6%
18 of 3,078 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 →PHL - Philadelphia
Full on-time, delay-cause, and seasonal performance for Philadelphia, PA.
Destination airport →Compare the two airports
See SJU and PHL 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–PHL.
Routes with a similar on-time rate
What the Data Says About SJU to PHL
On-time performance on the SJU to PHL pairing (San Juan to Philadelphia) trails a chunk of the network: 74.2% of 9,431 tracked flights arrived on schedule, with a 94.6-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 1.8% (54 of 3,078 flights), with 0.6% diverted.
The monthly split is wide on this route: Sep 2024 posted the strongest performance at 88% on-time, while May 2024 came in at just 41% - a 47-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.