Best Time to Fly DAL to SAN: On-Time Stats by Hour & Airline
Dallas Love Field → San Diego International
Data through July 2026 · Last updated October 18, 2026
1,577 flights were scheduled from Dallas (DAL) to San Diego (SAN) in the last 12 months, and 73.8% of those that flew arrived on time, 3.8 points below the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Saturday was the most reliable day (80% on time) and June the worst month (55%).
The cancellation rate was 1.3% (US average 1.8%).
DAL to SAN 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 | 73.8% | 50 min | 1.3% | 1,577 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DAL to SAN
On-time arrival % by scheduled departure hour (local time), 3,155 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 92.4% | 0.6% | 468 |
| 7am–8am | 90.5% | 0.4% | 257 |
| 8am–9am | 93.6% | 3.1% | 97 |
| 9am–10am | 79.5% | 1.2% | 85 |
| 10am–11am | 74.2% | 1.1% | 180 |
| 11am–12pm | 71.1% | 0.3% | 327 |
| 12pm–1pm | 77.0% | 1.6% | 128 |
| 1pm–2pm | 73.4% | 1.1% | 186 |
| 2pm–3pm | 72.5% | 0.0% | 103 |
| 3pm–4pm | 67.6% | 0.0% | 109 |
| 4pm–5pm | 61.1% | 1.3% | 230 |
| 5pm–6pm | 69.7% | 0.6% | 178 |
| 6pm–7pm | 63.8% | 3.9% | 205 |
| 7pm–8pm | 70.8% | 1.2% | 173 |
| 8pm–9pm | 52.0% | 1.1% | 183 |
| 9pm–10pm | 57.5% | 1.1% | 178 |
| 10pm–11pm | 56.2% | 5.9% | 68 |
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 SAN
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) | 74.2% | -1.9 pts | 0.0% | 66 |
| Christmas & New Year (Dec 20 - Jan 3) | 60.6% | -15.6 pts | 3.5% | 142 |
| Summer peak (Jun 15 - Aug 15) | 66.6% | -9.6 pts | 0.5% | 551 |
| All other days | 76.2% | — | 1.2% | 2,396 |
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).