Best Time to Fly FLL to ATL: On-Time Stats by Hour & Airline
Fort Lauderdale-Hollywood International → Hartsfield-Jackson Atlanta International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 71.4% of Fort Lauderdale (FLL) to Atlanta (ATL) flights arrived on time (7,260 scheduled flights). That is 6.2 points below the national average of 77.6%.
Among 4 airlines, Delta Air Lines led with 78.9% on time and JetBlue was last with 55.7%.
Over 24 months, Wednesday was the most reliable day (81% on time) and July the worst month (64%).
The cancellation rate was 2.4% (US average 1.8%).
FLL to ATL 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 | 78.9% | 71 min | 1.9% | 4,311 |
| Frontier Airlines | 64.5% | 87 min | 3.0% | 969 |
| Spirit Airlines | 59.7% | 67 min | 3.7% | 1,217 |
| JetBlue | 55.7% | 67 min | 2.8% | 763 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly FLL to ATL
On-time arrival % by scheduled departure hour (local time), 13,964 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 91.9% | 1.7% | 887 |
| 6am–7am | 90.2% | 1.7% | 1,269 |
| 7am–8am | 84.7% | 0.7% | 769 |
| 8am–9am | 80.6% | 2.1% | 710 |
| 9am–10am | 83.6% | 2.1% | 724 |
| 10am–11am | 81.1% | 1.1% | 433 |
| 11am–12pm | 79.8% | 1.9% | 797 |
| 12pm–1pm | 72.6% | 1.6% | 979 |
| 1pm–2pm | 72.3% | 1.5% | 844 |
| 2pm–3pm | 61.2% | 3.3% | 543 |
| 3pm–4pm | 69.6% | 1.5% | 878 |
| 4pm–5pm | 54.5% | 1.5% | 549 |
| 5pm–6pm | 62.5% | 1.9% | 1,027 |
| 6pm–7pm | 58.3% | 1.2% | 1,274 |
| 7pm–8pm | 60.0% | 2.1% | 872 |
| 8pm–9pm | 59.6% | 3.8% | 703 |
| 9pm–10pm | 61.5% | 4.6% | 324 |
| 10pm–11pm | 59.2% | 2.6% | 380 |
| 11pm–12am | Limited data | 2 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on FLL to ATL
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) | 67.9% | -6.6 pts | 1.4% | 278 |
| Christmas & New Year (Dec 20 - Jan 3) | 59.1% | -15.4 pts | 2.3% | 653 |
| Summer peak (Jun 15 - Aug 15) | 66.3% | -8.2 pts | 2.6% | 2,247 |
| All other days | 74.5% | — | 1.7% | 10,786 |
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).