Best Time to Fly DAL to SJC: On-Time Stats by Hour & Airline
Dallas Love Field → Norman Y. Mineta San Jose International
Data through July 2026 · Last updated October 18, 2026
427 flights were scheduled from Dallas (DAL) to San Jose (SJC) in the last 12 months, and 66.3% of those that flew arrived on time, 11.3 points below the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Friday was the most reliable day (82% on time) and June the worst month (49%).
The cancellation rate was 1.6% (US average 1.8%).
DAL 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 | 66.3% | 51 min | 1.6% | 427 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DAL to SJC
On-time arrival % by scheduled departure hour (local time), 1,025 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 96.8% | 0.0% | 93 |
| 7am–8am | 88.7% | 1.0% | 98 |
| 8am–9am | 82.5% | 0.0% | 57 |
| 9am–10am | Limited data | 19 | |
| 10am–11am | Limited data | 20 | |
| 11am–12pm | Limited data | 9 | |
| 12pm–1pm | Limited data | 27 | |
| 1pm–2pm | Limited data | 27 | |
| 2pm–3pm | Limited data | 1 | |
| 3pm–4pm | 90.3% | 3.1% | 32 |
| 4pm–5pm | 84.2% | 0.0% | 38 |
| 5pm–6pm | 63.8% | 1.7% | 59 |
| 6pm–7pm | 65.5% | 1.8% | 112 |
| 7pm–8pm | 72.7% | 2.0% | 101 |
| 8pm–9pm | 64.5% | 1.7% | 236 |
| 9pm–10pm | 60.6% | 2.1% | 96 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DAL 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) | Limited data | 21 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 59.0% | -16.9 pts | 0.0% | 39 |
| Summer peak (Jun 15 - Aug 15) | 65.4% | -10.4 pts | 1.1% | 190 |
| All other days | 75.8% | — | 1.6% | 775 |
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).