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Airport · 12 months to July 2026
Norman Y. Mineta San Jose International: delays and on-time record
San Jose, California
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. Data through July 2026; this is a monthly history, not live airport status.
Reporting carriers scheduled 43,338 domestic departures from Norman Y. Mineta San Jose International (SJC), San Jose, in the 12 months to July 2026: about 119 a day to 44 destinations.
80.9% of those flights left the gate less than 15 minutes late, 4.8 points above the national departure figure of 76.1%. Flights arriving at SJC were on time 80.0% of the time, 4.0 points above the national arrival figure of 76.0%.
0.7% of scheduled departures were cancelled (national: 1.8%), and the average departure delay, counting early and on-time departures as zero, was 10.9 min.
Southwest Airlines is the largest reporting carrier at SJC with 61% of departures. Among carriers with at least 433 departures, Delta Air Lines had the highest on-time arrival share for its SJC departures (91.0%) and Southwest Airlines the lowest (79.0%).
On-time departures are down 3.2 points on the previous 12 months (84.1%).
Of the delay minutes that carriers assigned to a BTS cause category for flights leaving SJC, late-arriving aircraft 48%, air carrier 30% and national aviation system 20%.
- On time 81.9%
- Arrived 15+ minutes late 17.2%
- Cancelled 0.7%
- Diverted 0.2%
As origin and as destination, against the nation
| Measure | Departures from SJC | Arrivals at SJC | All reported flights | SJC departures, previous 12 months |
|---|---|---|---|---|
| Departed on time (less than 15 min late) | 80.9% | 75.7% | 76.1% | 84.1% |
| Arrived on time | 81.9% | 80.0% | 76.0% | 84.6% |
| Cancelled | 0.7% | 0.6% | 1.8% | 0.6% |
| Diverted | 0.2% | 0.1% | 0.3% | 0.2% |
| Average departure delay (late minutes only) | 10.9 min | 13.5 min | 17.4 min | 9.9 min |
| Arrival delay minutes per 100 flights | 1,009 | 1,126 | 1,684 | 938 |
| Scheduled flights | 43,338 | 43,217 | 7,043,858 | 49,144 |
12 months to July 2026. The first column follows flights that left SJC; the second follows flights that landed there. Year on year, on-time departures moved −3.2 pts.
Airlines at SJC
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| WN Southwest Airlines | 26,436 | 61% | 79.0% | 4.0 min | 0.5% |
| OO SkyWest Airlines | 6,777 | 16% | 87.2% | -3.8 min | 0.5% |
| AS Alaska Airlines | 2,922 | 7% | 84.2% | -2.5 min | 0.9% |
| DL Delta Air Lines | 2,899 | 7% | 91.0% | -9.4 min | 1.4% |
| AA American Airlines | 1,791 | 4% | 80.9% | 6.9 min | 1.6% |
| UA United Airlines | 1,508 | 3% | 86.6% | -3.0 min | 0.5% |
| F9 Frontier Airlines | 355 | 1% | 75.8% | 5.6 min | 2.0% |
| HA Hawaiian Airlines | 304 | 1% | 92.4% | -0.9 min | 0.0% |
| MQ Envoy Air | 194 | 0% | 88.7% | -2.1 min | 1.0% |
| NK Spirit Airlines | 152 | 0% | 80.3% | 5.4 min | 0.7% |
Departures from SJC by reporting carrier, ordered by flights; on time means the flight reached its destination less than 15 minutes late. Green is at or above the airport's overall share of 81.9%. Carriers fly different routes at different hours, so the rows are not a like-for-like test.
Busiest routes from SJC
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| SJC–SAN | San Jose to San Diego | 4,986 | 69.9% | 10.9 min | 1.0% |
| SJC–LAX | San Jose to Los Angeles | 4,476 | 85.1% | -2.6 min | 0.8% |
| SJC–SEA | San Jose to Seattle | 4,381 | 82.9% | -1.7 min | 0.6% |
| SJC–LAS | San Jose to Las Vegas | 3,750 | 80.1% | 5.0 min | 0.5% |
| SJC–PHX | San Jose to Phoenix | 3,019 | 80.6% | 5.3 min | 0.8% |
| SJC–SNA | San Jose to Santa Ana | 2,730 | 85.5% | -1.9 min | 0.8% |
| SJC–DEN | San Jose to Denver | 2,564 | 80.5% | 2.8 min | 0.4% |
| SJC–BUR | San Jose to Burbank | 2,166 | 83.7% | 0.0 min | 1.2% |
| SJC–SLC | San Jose to Salt Lake City | 1,801 | 91.6% | -7.3 min | 0.4% |
| SJC–PDX | San Jose to Portland | 1,653 | 85.7% | -2.1 min | 0.0% |
| SJC–ONT | San Jose to Ontario | 1,317 | 82.3% | 1.0 min | 0.2% |
| SJC–LGB | San Jose to Long Beach | 1,239 | 85.2% | -0.4 min | 0.2% |
| SJC–AUS | San Jose to Austin | 1,121 | 74.6% | 7.9 min | 0.3% |
| SJC–DFW | San Jose to Dallas/Fort Worth | 1,102 | 78.7% | 7.5 min | 2.1% |
| SJC–ATL | San Jose to Atlanta | 901 | 91.0% | -10.8 min | 1.4% |
| SJC–HNL | San Jose to Honolulu | 808 | 82.5% | -0.4 min | 0.0% |
| SJC–BOI | San Jose to Boise | 676 | 82.8% | -0.6 min | 0.3% |
| SJC–MDW | San Jose to Chicago | 519 | 83.2% | -1.0 min | 0.2% |
| SJC–MSP | San Jose to Minneapolis | 510 | 90.4% | -5.7 min | 1.2% |
| SJC–OGG | San Jose to Kahului | 471 | 91.9% | -4.3 min | 0.2% |
| SJC–DAL | San Jose to Dallas | 427 | 82.9% | 2.1 min | 0.9% |
| SJC–HOU | San Jose to Houston | 365 | 89.6% | -2.6 min | 0.3% |
| SJC–ORD | San Jose to Chicago | 301 | 89.0% | -10.5 min | 1.7% |
| SJC–EUG | San Jose to Eugene | 262 | 72.9% | 5.6 min | 0.0% |
| SJC–BNA | San Jose to Nashville | 246 | 86.2% | 1.4 min | 0.0% |
| SJC–GEG | San Jose to Spokane | 244 | 75.8% | 3.8 min | 0.0% |
| SJC–RNO | San Jose to Reno | 243 | 95.5% | -8.6 min | 0.0% |
| SJC–BWI | San Jose to Baltimore | 242 | 80.6% | 2.0 min | 0.4% |
| SJC–IAH | San Jose to Houston | 215 | 75.8% | 11.2 min | 0.0% |
| SJC–PSP | San Jose to Palm Springs | 213 | 78.9% | 5.2 min | 0.9% |
| SJC–LIH | San Jose to Lihue | 161 | 91.3% | -9.1 min | 0.0% |
| SJC–KOA | San Jose to Kona | 154 | 92.9% | -14.4 min | 0.0% |
The 32 busiest of 44 routes with reported flights. Routes with at least 10 flights a month have their own page.
Month by month
By scheduled departure hour
Among hours with at least 867 departures, 7 am to 8 am had the highest on-time share (94.5% of 3,708 flights) and 3 pm to 4 pm the lowest (69.4% of 2,214).
Delay causes
Cancellations by reported reason (287 in the period): air carrier 53%, weather 36%, national aviation system 11%, security 0%.
Checkpoint volumes
TSA publishes daily checkpoint passenger counts for the country as a whole, not for SJC on its own. The national series through September 2026 is on the checkpoint volumes page.
Questions and answers
How often do flights leave SJC on time?
80.9% of the 43,338 scheduled domestic departures in the 12 months to July 2026 left less than 15 minutes late; the national figure was 76.1%. 0.7% were cancelled.
How often do flights arrive at SJC on time?
80.0% of 43,217 scheduled arrivals were on time by the BTS definition, against 76.0% nationally.
Which airline has the highest on-time share at SJC?
Counting departures from SJC and whether they reached their destination on time, Delta Air Lines had the highest share (91.0% of 2,899 flights), then SkyWest Airlines (87.2%) and United Airlines (86.6%). Carriers fly different routes at different hours, so the figures are not a like-for-like test.
What causes delays at SJC?
For departures from SJC that reached their destination 15 or more minutes late, carriers attributed the delay minutes as follows: late-arriving aircraft 48%, air carrier 30%, national aviation system 20%, extreme weather 3%, security 0%.
What time of day has the highest on-time share at SJC?
Departures scheduled from 7 am to 8 am local time left on time 94.5% of the time, the highest of any hour with enough flights to compare; 3 pm to 4 pm was lowest at 69.4%.
Is it getting better?
On-time departures for the 12 months to July 2026 were 80.9%, down 3.2 points on the previous 12 months (84.1%). The monthly chart shows each of the last 36 months, and each month has its own page.
Does this page show today's delays at SJC?
No. BTS publishes on-time records about two months after the month ends, so this page is a monthly history through July 2026. For live conditions use the FAA airport status service or your airline.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987 to present), monthly files August 2023 to July 2026; airport name from the BTS airport lookup table. US government works in the public domain. Domestic scheduled flights by reporting carriers only: international flights, charters and smaller carriers are not in the source. Totals and averages only; no individual flight or aircraft is identified. See the methodology; report processing errors through corrections.