Best Time to Fly ATL to RSW: On-Time Stats by Hour & Airline
Hartsfield-Jackson Atlanta International → Southwest Florida International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 77.2% of Atlanta (ATL) to Fort Myers (RSW) flights arrived on time (2,817 scheduled flights). That is in line with the national average of 77.6%.
Among 2 airlines, Delta Air Lines led with 77.8% on time and Frontier Airlines was last with 58.2%.
Over 24 months, Wednesday was the most reliable day (86% on time) and July the worst month (66%).
The cancellation rate was 1.6% (US average 1.8%).
ATL to RSW 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 | 77.8% | 57 min | 1.6% | 2,723 |
| Frontier Airlines | 58.2% | 65 min | 2.1% | 94 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ATL to RSW
On-time arrival % by scheduled departure hour (local time), 5,850 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 85.5% | 0.8% | 126 |
| 8am–9am | 89.5% | 2.6% | 616 |
| 9am–10am | 76.8% | 5.7% | 106 |
| 10am–11am | 80.1% | 1.7% | 781 |
| 11am–12pm | 82.8% | 1.5% | 136 |
| 12pm–1pm | 84.4% | 1.9% | 536 |
| 1pm–2pm | 80.4% | 0.6% | 160 |
| 2pm–3pm | 80.7% | 2.2% | 539 |
| 3pm–4pm | 74.9% | 1.6% | 309 |
| 4pm–5pm | 74.7% | 1.8% | 227 |
| 5pm–6pm | 68.8% | 1.4% | 518 |
| 6pm–7pm | 74.2% | 2.3% | 218 |
| 7pm–8pm | 71.3% | 0.4% | 479 |
| 8pm–9pm | 65.7% | 2.8% | 180 |
| 9pm–10pm | 72.3% | 1.6% | 188 |
| 10pm–11pm | 76.4% | 1.8% | 556 |
| 11pm–12am | 64.5% | 1.1% | 175 |
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 RSW
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) | 82.0% | +2.3 pts | 0.0% | 117 |
| Christmas & New Year (Dec 20 - Jan 3) | 71.1% | -8.7 pts | 1.5% | 270 |
| Summer peak (Jun 15 - Aug 15) | 68.9% | -10.9 pts | 2.4% | 933 |
| All other days | 79.8% | — | 1.7% | 4,530 |
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).