Best Time to Fly LGB to SJC: On-Time Stats by Hour & Airline
Long Beach Airport → Norman Y. Mineta San Jose International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 86.9% of Long Beach (LGB) to San Jose (SJC) flights arrived on time (1,239 scheduled flights). That is 9.3 points above the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
January has been the best month (92% on time) and Sunday the weakest day of the week (85%).
0.2% of flights were cancelled, versus 1.8% nationally.
LGB to SJC on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlines | 86.9% | 48 min | 0.2% | 1,239 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LGB to SJC
On-time arrival % by scheduled departure hour (local time), 2,562 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 98.2% | 0.0% | 56 |
| 7am–8am | 97.3% | 0.0% | 297 |
| 8am–9am | 93.9% | 1.8% | 167 |
| 9am–10am | 93.8% | 0.5% | 194 |
| 10am–11am | 85.2% | 1.2% | 82 |
| 11am–12pm | 95.9% | 0.0% | 73 |
| 12pm–1pm | 89.1% | 0.0% | 275 |
| 1pm–2pm | 87.9% | 0.0% | 157 |
| 2pm–3pm | 89.6% | 0.0% | 125 |
| 3pm–4pm | 81.5% | 0.4% | 249 |
| 4pm–5pm | 84.7% | 0.0% | 98 |
| 5pm–6pm | 90.8% | 0.6% | 174 |
| 6pm–7pm | 78.6% | 0.5% | 207 |
| 7pm–8pm | 83.6% | 0.7% | 301 |
| 8pm–9pm | 70.1% | 0.0% | 107 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on LGB to SJC
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 86.5% | -2.7 pts | 0.0% | 52 |
| Christmas & New Year (Dec 20 - Jan 3) | 78.4% | -10.8 pts | 1.0% | 103 |
| Summer peak (Jun 15 - Aug 15) | 84.0% | -5.2 pts | 0.2% | 440 |
| All other days | 89.2% | — | 0.4% | 1,967 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).