Airport reliability
San Jose (SJC) on-time performance
How reliably flights leave San Jose, CA (SJC) and reach their destinations, by airline, departure hour and month, September 2025 to August 2026.
San Jose, CA43,213 departures in 12 months
- Departures on time
- 81.2% U.S. average 75.6%
- Cancelled
- 0.7% U.S. average 1.9%
- 60+ minutes late
- 4.7% U.S. average 8.1%
- Scheduled departures
- 43,213 12 months
What this means
SJC departures beat the U.S. average.
- 81.2% of the 43,213 scheduled departures from San Jose (SJC) arrived at their destination on time, 5.6 points higher than the U.S. average of 75.6%.
- 0.7% of departures were cancelled (U.S. average 1.9%), and 4.7% arrived an hour or more late.
- Flights arriving at SJC were on time 79.3% of the time.
- Among airlines with at least 300 departures, Delta Air Lines was the most punctual from SJC (91.1%) and Frontier Airlines the least (73.9%).
- Over the last 3 years, February was the most reliable month for departures from SJC (86.6% on time) and June the least reliable (77.9%).
- Flights scheduled to depart before 6 am were the most punctual (93.6% on time); flights scheduled to depart 9 pm to 10 pm were the least (64.7%).
Airlines at SJC
Ranked by on-time arrival
| Airline | On time | Cancelled | 60+ min late | Avg delay when late | Departures |
|---|---|---|---|---|---|
| Hawaiian Airlines | 91.3% | 0.0% | 2.9% | 116 min | 242 |
| Delta Air Lines | 91.1% | 1.2% | 2.7% | 73 min | 2,995 |
| Envoy AirSold as American Eagle | 88.4% | 1.1% | 3.2% | 52 min | 190 |
| United Airlines | 87.0% | 0.5% | 4.4% | 62 min | 1,510 |
| SkyWest AirlinesSold as United Express, Delta Connection, American Eagle, Alaska | 86.3% | 0.5% | 4.0% | 63 min | 6,558 |
| Alaska Airlines | 83.6% | 0.9% | 4.0% | 51 min | 3,070 |
| American Airlines | 81.3% | 1.5% | 6.6% | 88 min | 1,812 |
| Spirit Airlines | 80.5% | 1.3% | 6.5% | 58 min | 77 |
| Southwest Airlines | 78.2% | 0.6% | 5.0% | 47 min | 26,391 |
| Frontier Airlines | 73.9% | 2.4% | 7.6% | 56 min | 368 |
Tap a heading to sort.
On-time rate by departure hour
Share of scheduled flights on time SJC average 81.2%
Show as table
| Period | On time | Flights |
|---|---|---|
| Departing before 6 am | 93.6% | 188 |
| Departing 6 am to 7 am | 92.9% | 4,953 |
| Departing 7 am to 8 am | 93.0% | 3,654 |
| Departing 8 am to 9 am | 89.2% | 3,063 |
| Departing 9 am to 10 am | 89.2% | 2,782 |
| Departing 10 am to 11 am | 83.3% | 2,534 |
| Departing 11 am to noon | 82.2% | 2,851 |
| Departing noon to 1 pm | 81.7% | 2,393 |
| Departing 1 pm to 2 pm | 80.5% | 2,595 |
| Departing 2 pm to 3 pm | 72.5% | 3,067 |
| Departing 3 pm to 4 pm | 70.7% | 2,107 |
| Departing 4 pm to 5 pm | 74.7% | 2,307 |
| Departing 5 pm to 6 pm | 74.6% | 2,426 |
| Departing 6 pm to 7 pm | 71.8% | 2,377 |
| Departing 7 pm to 8 pm | 70.7% | 2,523 |
| Departing 8 pm to 9 pm | 71.7% | 1,943 |
| Departing 9 pm to 10 pm | 64.7% | 858 |
| Departing 10 pm to 11 pm | 88.8% | 537 |
| Departing 11 pm to midnight | 87.3% | 55 |
Best and worst months at SJC
Share of scheduled flights on time 12-month average 81.2%
Show as table
| Period | On time | Flights |
|---|---|---|
| January | 86.1% | 10,628 |
| February | 86.6% | 10,101 |
| March | 85.3% | 11,298 |
| April | 85.4% | 11,184 |
| May | 83.1% | 11,904 |
| June | 77.9% | 12,235 |
| July | 78.7% | 12,616 |
| August | 81.3% | 12,259 |
| September | 84.8% | 12,605 |
| October | 83.3% | 12,820 |
| November | 86.5% | 12,026 |
| December | 83.7% | 11,983 |
Month by month, last 12 months
Share of scheduled flights on time U.S. average 75.6%
Show as table
| Period | On time | Flights |
|---|---|---|
| Sep 2025 | 84.9% | 3,777 |
| Oct 2025 | 80.9% | 3,865 |
| Nov 2025 | 82.0% | 3,659 |
| Dec 2025 | 80.3% | 3,622 |
| Jan 2026 | 88.2% | 3,099 |
| Feb 2026 | 86.5% | 3,088 |
| Mar 2026 | 84.7% | 3,438 |
| Apr 2026 | 83.8% | 3,423 |
| May 2026 | 81.2% | 3,686 |
| Jun 2026 | 73.8% | 3,816 |
| Jul 2026 | 76.4% | 3,980 |
| Aug 2026 | 75.1% | 3,760 |
Busiest routes from SJC
| To | On time | Cancelled | Airlines | Flights |
|---|---|---|---|---|
| San Diego (SAN) | 67.5% | 1.1% | 3 | 5,004 |
| Los Angeles (LAX) | 84.1% | 0.9% | 6 | 4,470 |
| Seattle (SEA) | 82.1% | 0.6% | 6 | 4,422 |
| Las Vegas (LAS) | 79.9% | 0.5% | 5 | 3,661 |
| Phoenix (PHX) | 80.1% | 0.8% | 4 | 3,013 |
| Santa Ana (SNA) | 85.4% | 0.8% | 2 | 2,741 |
| Denver (DEN) | 80.0% | 0.4% | 3 | 2,546 |
| Burbank (BUR) | 83.2% | 1.3% | 2 | 2,137 |
| Salt Lake City (SLC) | 91.4% | 0.4% | 3 | 1,794 |
| Portland (PDX) | 85.5% | 0.1% | 3 | 1,684 |
| Ontario (ONT) | 82.2% | 0.2% | 1 | 1,318 |
| Long Beach (LGB) | 84.3% | 0.2% | 1 | 1,251 |
| Austin (AUS) | 73.4% | 0.4% | 1 | 1,108 |
| Dallas/Fort Worth (DFW) | 79.2% | 1.9% | 1 | 1,093 |
| Atlanta (ATL) | 91.4% | 1.2% | 1 | 898 |
| Honolulu (HNL) | 80.2% | 0.1% | 3 | 807 |
| Boise (BOI) | 82.2% | 0.3% | 2 | 663 |
| Chicago (MDW) | 83.5% | 0.2% | 1 | 526 |
| Minneapolis (MSP) | 90.2% | 1.0% | 1 | 511 |
| Kahului (OGG) | 91.5% | 0.2% | 3 | 470 |
Sources & data dates
- Source
- U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
- Period
- September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
- Data through
- August 2026
- Processed
- 2026-11-03
- Scope
- Scheduled nonstop domestic departures from San Jose, CA (SJC) by airlines that report to the DOT.
- Method
- Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.