Airports › San Juan (SJU) › July 2025
Airport month · July 2025
Luis Munoz Marin International in July 2025
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.
In July 2025, reporting carriers scheduled 3,415 domestic departures from Luis Munoz Marin International (SJU). 72.8% left less than 15 minutes late and 73.8% reached their destination on time; 1.6% were cancelled.
Nationally that month, 69.7% of flights departed on time and 69.0% arrived on time, so SJU departures were 3.1 points above the national departure figure.
A year earlier, in July 2024, the airport had 3,570 departures with 69.3% leaving on time: a change of +3.5 points, with flights down 4%.
Flights arriving at SJU that month were on time 66.6% of the time (3,415 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 55%, air carrier 33% and national aviation system 12%.
- On time 73.8%
- Arrived 15+ minutes late 24.1%
- Cancelled 1.6%
- Diverted 0.5%
July 2025 against a year earlier, the airport's year and the nation
| Measure | Jul 2025 | Jul 2024 | SJU, 12 months to Jul 2026 | All reported flights, Jul 2025 |
|---|---|---|---|---|
| Departed on time | 72.8% | 69.3% | 74.5% | 69.7% |
| Arrived on time | 73.8% | 68.6% | 75.6% | 69.0% |
| Cancelled | 1.6% | 1.8% | 2.0% | 2.5% |
| Average departure delay (late minutes only) | 22.0 min | 26.5 min | 19.6 min | 24.3 min |
| Scheduled departures a day | 114 | 119 | 97 | 21,048 |
| Scheduled departures | 3,415 | 3,570 | 35,302 | 631,428 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| B6 JetBlue Airways | 1,090 | 32% | 68.7% | 16.1 min | 2.6% |
| F9 Frontier Airlines | 504 | 15% | 60.3% | 27.8 min | 3.2% |
| WN Southwest Airlines | 489 | 14% | 82.4% | 2.5 min | 0.0% |
| NK Spirit Airlines | 362 | 11% | 80.1% | -3.6 min | 1.4% |
| AA American Airlines | 338 | 10% | 73.4% | 14.9 min | 0.0% |
| UA United Airlines | 318 | 9% | 77.0% | 5.9 min | 1.3% |
| DL Delta Air Lines | 314 | 9% | 89.8% | -3.1 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| SJU–MCO | San Juan to Orlando | 622 | 76.7% | 11.4 min | 0.5% |
| SJU–JFK | San Juan to New York | 371 | 68.7% | 16.2 min | 3.8% |
| SJU–FLL | San Juan to Fort Lauderdale | 223 | 75.8% | 10.0 min | 0.9% |
| SJU–MIA | San Juan to Miami | 216 | 71.3% | 17.2 min | 0.5% |
| SJU–ATL | San Juan to Atlanta | 207 | 85.0% | -3.1 min | 1.0% |
| SJU–EWR | San Juan to Newark | 199 | 58.3% | 36.5 min | 5.0% |
| SJU–BOS | San Juan to Boston | 179 | 72.6% | 6.8 min | 2.8% |
| SJU–TPA | San Juan to Tampa | 145 | 73.1% | 8.8 min | 0.7% |
| SJU–BWI | San Juan to Baltimore | 142 | 69.0% | 8.8 min | 1.4% |
| SJU–PHL | San Juan to Philadelphia | 132 | 55.3% | 37.2 min | 3.8% |
| SJU–ORD | San Juan to Chicago | 126 | 84.9% | -8.7 min | 0.0% |
| SJU–IAH | San Juan to Houston | 111 | 91.9% | -20.6 min | 0.9% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left SJU on time in July 2025?
72.8% of 3,415 scheduled domestic departures left less than 15 minutes late, and 73.8% reached their destination on time. The national figures that month were 69.7% and 69.0%.
How does that compare with a year earlier?
In July 2024, 69.3% of 3,570 departures left on time and 1.8% were cancelled, against 72.8% and 1.6% in July 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for July 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for SJU · methodology · corrections.