Best Time to Fly DAL to JAX: On-Time Stats by Hour & Airline
Dallas Love Field → Jacksonville International
Data through July 2026 · Last updated October 18, 2026
350 flights were scheduled from Dallas (DAL) to Jacksonville (JAX) in the last 12 months, and 59.6% of those that flew arrived on time, 18.0 points below the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Sunday was the most reliable day (68% on time) and June the worst month (43%).
The cancellation rate was 0.3% (US average 1.8%).
DAL to JAX 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 | 59.6% | 50 min | 0.3% | 350 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DAL to JAX
On-time arrival % by scheduled departure hour (local time), 663 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | Limited data | 1 | |
| 9am–10am | Limited data | 12 | |
| 10am–11am | 53.3% | 0.0% | 45 |
| 11am–12pm | 68.1% | 1.4% | 73 |
| 12pm–1pm | 69.4% | 0.0% | 109 |
| 1pm–2pm | 56.3% | 1.9% | 105 |
| 2pm–3pm | 70.8% | 0.0% | 96 |
| 3pm–4pm | 56.5% | 0.0% | 115 |
| 4pm–5pm | 50.0% | 0.0% | 72 |
| 5pm–6pm | Limited data | 21 | |
| 6pm–7pm | Limited data | 14 | |
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 JAX
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 | 12 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 46.7% | -17.8 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 54.5% | -10.0 pts | 0.9% | 112 |
| All other days | 64.5% | — | 0.4% | 509 |
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).