Airports › San Juan (SJU) › January 2026
Airport month · January 2026
Luis Munoz Marin International in January 2026
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 January 2026, reporting carriers scheduled 3,306 domestic departures from Luis Munoz Marin International (SJU). 64.7% left less than 15 minutes late and 67.2% reached their destination on time; 8.0% were cancelled.
Nationally that month, 75.6% of flights departed on time and 75.3% arrived on time, so SJU departures were 10.9 points below the national departure figure.
A year earlier, in January 2025, the airport had 3,208 departures with 73.0% leaving on time: a change of −8.3 points, with flights up 3%.
Flights arriving at SJU that month were on time 62.5% of the time (3,289 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 44%, late-arriving aircraft 40% and national aviation system 11%.
- On time 67.2%
- Arrived 15+ minutes late 24.5%
- Cancelled 8.0%
- Diverted 0.3%
January 2026 against a year earlier, the airport's year and the nation
| Measure | Jan 2026 | Jan 2025 | SJU, 12 months to Jul 2026 | All reported flights, Jan 2026 |
|---|---|---|---|---|
| Departed on time | 64.7% | 73.0% | 74.5% | 75.6% |
| Arrived on time | 67.2% | 72.7% | 75.6% | 75.3% |
| Cancelled | 8.0% | 1.5% | 2.0% | 4.7% |
| Average departure delay (late minutes only) | 27.0 min | 21.4 min | 19.6 min | 16.7 min |
| Scheduled departures a day | 110 | 107 | 97 | 18,133 |
| Scheduled departures | 3,306 | 3,208 | 35,302 | 544,003 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| B6 JetBlue Airways | 978 | 30% | 62.8% | 19.9 min | 8.2% |
| AA American Airlines | 523 | 16% | 65.4% | 28.0 min | 9.8% |
| F9 Frontier Airlines | 503 | 15% | 61.6% | 21.4 min | 8.0% |
| DL Delta Air Lines | 361 | 11% | 75.1% | 7.8 min | 6.4% |
| UA United Airlines | 331 | 10% | 77.0% | -0.7 min | 5.4% |
| WN Southwest Airlines | 318 | 10% | 77.0% | 3.8 min | 6.3% |
| NK Spirit Airlines | 292 | 9% | 63.7% | 15.3 min | 10.6% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| SJU–MCO | San Juan to Orlando | 510 | 73.5% | 12.4 min | 4.3% |
| SJU–JFK | San Juan to New York | 310 | 66.8% | 16.5 min | 9.4% |
| SJU–MIA | San Juan to Miami | 250 | 67.6% | 23.2 min | 6.4% |
| SJU–EWR | San Juan to Newark | 217 | 67.3% | 10.6 min | 9.2% |
| SJU–FLL | San Juan to Fort Lauderdale | 217 | 61.8% | 16.7 min | 6.9% |
| SJU–BOS | San Juan to Boston | 207 | 56.5% | 30.6 min | 11.1% |
| SJU–ATL | San Juan to Atlanta | 195 | 73.3% | 17.3 min | 4.6% |
| SJU–PHL | San Juan to Philadelphia | 194 | 52.6% | 36.9 min | 10.8% |
| SJU–ORD | San Juan to Chicago | 154 | 70.1% | 8.5 min | 8.4% |
| SJU–TPA | San Juan to Tampa | 133 | 78.9% | -0.6 min | 6.8% |
| SJU–CLT | San Juan to Charlotte | 121 | 71.1% | 27.3 min | 9.9% |
| SJU–BWI | San Juan to Baltimore | 109 | 73.4% | 9.9 min | 9.2% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left SJU on time in January 2026?
64.7% of 3,306 scheduled domestic departures left less than 15 minutes late, and 67.2% reached their destination on time. The national figures that month were 75.6% and 75.3%.
How does that compare with a year earlier?
In January 2025, 73.0% of 3,208 departures left on time and 1.5% were cancelled, against 64.7% and 8.0% in January 2026.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for January 2026; 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.