Best Time to Fly SAN to DAL: On-Time Stats by Hour & Airline
San Diego International → Dallas Love Field
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 68.1% of San Diego (SAN) to Dallas (DAL) flights arrived on time (1,571 scheduled flights). That is 9.6 points below the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
September has been the best month (82% on time) and Sunday the weakest day of the week (63%).
1.6% of flights were cancelled, versus 1.8% nationally.
SAN to DAL 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 | 68.1% | 46 min | 1.6% | 1,571 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SAN to DAL
On-time arrival % by scheduled departure hour (local time), 3,148 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 91.2% | 1.3% | 464 |
| 7am–8am | 87.0% | 1.1% | 180 |
| 8am–9am | 83.2% | 1.5% | 330 |
| 9am–10am | 73.4% | 1.6% | 129 |
| 10am–11am | 78.8% | 0.8% | 241 |
| 11am–12pm | 74.5% | 1.9% | 104 |
| 12pm–1pm | 72.3% | 2.8% | 178 |
| 1pm–2pm | 60.5% | 1.1% | 181 |
| 2pm–3pm | 65.1% | 1.5% | 133 |
| 3pm–4pm | 68.0% | 0.8% | 237 |
| 4pm–5pm | 54.4% | 1.6% | 310 |
| 5pm–6pm | 64.1% | 1.2% | 253 |
| 6pm–7pm | 57.1% | 1.0% | 408 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SAN to DAL
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) | 73.8% | -0.3 pts | 0.0% | 65 |
| Christmas & New Year (Dec 20 - Jan 3) | 51.5% | -22.7 pts | 2.8% | 141 |
| Summer peak (Jun 15 - Aug 15) | 67.5% | -6.7 pts | 0.9% | 551 |
| All other days | 74.1% | — | 1.4% | 2,391 |
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).