Best Time to Fly SDF to DAL: On-Time Stats by Hour & Airline
Louisville Muhammad Ali International → Dallas Love Field
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 83.9% of Louisville (SDF) to Dallas (DAL) flights arrived on time (350 scheduled flights). That is 6.2 points above the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
November has been the best month (95% on time) and Sunday the weakest day of the week (76%).
0.6% of flights were cancelled, versus 1.8% nationally.
SDF 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 | 83.9% | 49 min | 0.6% | 350 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SDF to DAL
On-time arrival % by scheduled departure hour (local time), 652 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 13 | |
| 6am–7am | Limited data | 22 | |
| 7am–8am | Limited data | 18 | |
| 8am–9am | Limited data | 6 | |
| 9am–10am | Limited data | 1 | |
| 10am–11am | 90.3% | 0.0% | 32 |
| 11am–12pm | 71.0% | 0.0% | 39 |
| 12pm–1pm | 83.1% | 0.0% | 138 |
| 1pm–2pm | 86.6% | 0.8% | 131 |
| 2pm–3pm | Limited data | 9 | |
| 3pm–4pm | 80.2% | 1.9% | 104 |
| 4pm–5pm | 83.0% | 1.7% | 60 |
| 5pm–6pm | 54.8% | 0.0% | 42 |
| 6pm–7pm | Limited data | 10 | |
| 7pm–8pm | Limited data | 27 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SDF 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) | Limited data | 13 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 76.7% | -6.0 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 77.8% | -4.9 pts | 0.0% | 110 |
| All other days | 82.6% | — | 1.4% | 499 |
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).