Airports › San Jose (SJC) › May 2025
Airport month · May 2025
Norman Y. Mineta San Jose International in May 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 May 2025, reporting carriers scheduled 4,035 domestic departures from Norman Y. Mineta San Jose International (SJC). 84.0% left less than 15 minutes late and 84.1% reached their destination on time; 0.3% were cancelled.
Nationally that month, 76.7% of flights departed on time and 75.4% arrived on time, so SJC departures were 7.3 points above the national departure figure.
A year earlier, in May 2024, the airport had 4,183 departures with 83.1% leaving on time: a change of +0.9 points, with flights down 4%.
Flights arriving at SJC that month were on time 81.8% of the time (4,033 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 41%, air carrier 34% and national aviation system 22%.
- On time 84.1%
- Arrived 15+ minutes late 15.4%
- Cancelled 0.3%
- Diverted 0.2%
May 2025 against a year earlier, the airport's year and the nation
| Measure | May 2025 | May 2024 | SJC, 12 months to Jul 2026 | All reported flights, May 2025 |
|---|---|---|---|---|
| Departed on time | 84.0% | 83.1% | 80.9% | 76.7% |
| Arrived on time | 84.1% | 83.7% | 81.9% | 75.4% |
| Cancelled | 0.3% | 0.4% | 0.7% | 1.0% |
| Average departure delay (late minutes only) | 10.6 min | 10.4 min | 10.9 min | 17.5 min |
| Scheduled departures a day | 135 | 139 | 119 | 20,188 |
| Scheduled departures | 4,035 | 4,183 | 43,338 | 605,648 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| WN Southwest Airlines | 2,360 | 58% | 83.6% | 1.9 min | 0.1% |
| OO SkyWest Airlines | 737 | 18% | 89.7% | -4.6 min | 0.3% |
| DL Delta Air Lines | 227 | 6% | 87.2% | 1.8 min | 0.4% |
| AS Alaska Airlines | 202 | 5% | 81.7% | -1.8 min | 1.0% |
| UA United Airlines | 149 | 4% | 72.5% | 13.7 min | 0.0% |
| AA American Airlines | 144 | 4% | 74.3% | 17.8 min | 2.8% |
| NK Spirit Airlines | 125 | 3% | 87.2% | 2.1 min | 0.0% |
| HA Hawaiian Airlines | 62 | 2% | 87.1% | -0.4 min | 0.0% |
| F9 Frontier Airlines | 29 | 1% | 62.1% | 25.6 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| SJC–SAN | San Jose to San Diego | 484 | 80.0% | 5.5 min | 0.2% |
| SJC–LAX | San Jose to Los Angeles | 417 | 90.9% | -7.4 min | 0.0% |
| SJC–LAS | San Jose to Las Vegas | 408 | 85.5% | 3.3 min | 0.0% |
| SJC–SEA | San Jose to Seattle | 388 | 82.5% | -0.8 min | 0.8% |
| SJC–PHX | San Jose to Phoenix | 266 | 85.3% | 2.5 min | 1.1% |
| SJC–DEN | San Jose to Denver | 265 | 68.3% | 17.6 min | 0.0% |
| SJC–SNA | San Jose to Santa Ana | 222 | 91.9% | -7.2 min | 0.0% |
| SJC–BUR | San Jose to Burbank | 201 | 86.1% | 0.3 min | 0.0% |
| SJC–SLC | San Jose to Salt Lake City | 166 | 91.6% | -7.5 min | 0.0% |
| SJC–ONT | San Jose to Ontario | 123 | 87.8% | -0.9 min | 0.0% |
| SJC–LGB | San Jose to Long Beach | 120 | 95.0% | -7.9 min | 0.0% |
| SJC–PDX | San Jose to Portland | 120 | 88.3% | -2.4 min | 0.0% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left SJC on time in May 2025?
84.0% of 4,035 scheduled domestic departures left less than 15 minutes late, and 84.1% reached their destination on time. The national figures that month were 76.7% and 75.4%.
How does that compare with a year earlier?
In May 2024, 83.1% of 4,183 departures left on time and 0.4% were cancelled, against 84.0% and 0.3% in May 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for May 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for SJC · methodology · corrections.