Best Time to Fly ATL to DAL: On-Time Stats by Hour & Airline
Hartsfield-Jackson Atlanta International → Dallas Love Field
Data through July 2026 · Last updated October 18, 2026
3,350 flights were scheduled from Atlanta (ATL) to Dallas (DAL) in the last 12 months, and 80.9% of those that flew arrived on time, 3.3 points above the US average of 77.6%.
Delta Air Lines was the most punctual of the 2 airlines on the route at 84.1%, while Southwest Airlines trailed at 77.1%.
February has been the best month (86% on time) and Sunday the weakest day of the week (74%).
1.8% of flights were cancelled, versus 1.8% nationally.
ATL 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 |
|---|---|---|---|---|
| Delta Air Lines | 84.1% | 63 min | 2.1% | 1,827 |
| Southwest Airlines | 77.1% | 57 min | 1.5% | 1,523 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ATL to DAL
On-time arrival % by scheduled departure hour (local time), 6,857 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 94.9% | 2.1% | 481 |
| 7am–8am | 89.3% | 2.5% | 201 |
| 8am–9am | 90.8% | 0.8% | 666 |
| 9am–10am | 85.6% | 2.9% | 344 |
| 10am–11am | 88.0% | 0.9% | 633 |
| 11am–12pm | 83.9% | 1.4% | 280 |
| 12pm–1pm | 82.5% | 2.5% | 235 |
| 1pm–2pm | 84.0% | 0.7% | 590 |
| 2pm–3pm | 75.0% | 1.5% | 327 |
| 3pm–4pm | 82.9% | 0.9% | 215 |
| 4pm–5pm | 75.4% | 1.9% | 842 |
| 5pm–6pm | 65.0% | 0.7% | 295 |
| 6pm–7pm | 73.5% | 1.7% | 230 |
| 7pm–8pm | 67.0% | 0.9% | 436 |
| 8pm–9pm | 68.0% | 1.9% | 320 |
| 9pm–10pm | 68.4% | 2.5% | 368 |
| 10pm–11pm | 80.3% | 1.0% | 394 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ATL 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) | 74.2% | -7.7 pts | 0.0% | 128 |
| Christmas & New Year (Dec 20 - Jan 3) | 78.3% | -3.7 pts | 0.4% | 261 |
| Summer peak (Jun 15 - Aug 15) | 74.8% | -7.1 pts | 1.6% | 1,197 |
| All other days | 82.0% | — | 1.6% | 5,271 |
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).