Best Time to Fly RSW to ATL: On-Time Stats by Hour & Airline
Southwest Florida International → Hartsfield-Jackson Atlanta International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 85.8% of Fort Myers (RSW) to Atlanta (ATL) flights arrived on time (2,816 scheduled flights). That is 8.1 points above the national average of 77.6%.
Among 2 airlines, Delta Air Lines led with 86.6% on time and Frontier Airlines was last with 60.4%.
Over 24 months, Wednesday was the most reliable day (90% on time) and March the worst month (78%).
The cancellation rate was 1.7% (US average 1.8%).
RSW 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 | 86.6% | 84 min | 1.6% | 2,722 |
| Frontier Airlines | 60.4% | 96 min | 3.2% | 94 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly RSW to ATL
On-time arrival % by scheduled departure hour (local time), 5,847 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 94.8% | 2.4% | 749 |
| 6am–7am | 92.0% | 1.5% | 481 |
| 7am–8am | 92.8% | 1.8% | 340 |
| 8am–9am | 90.7% | 1.1% | 573 |
| 9am–10am | 90.0% | 0.0% | 40 |
| 10am–11am | 88.6% | 3.3% | 398 |
| 11am–12pm | 86.7% | 0.9% | 341 |
| 12pm–1pm | 81.7% | 3.1% | 226 |
| 1pm–2pm | 80.1% | 1.2% | 510 |
| 2pm–3pm | 81.2% | 3.2% | 154 |
| 3pm–4pm | 80.7% | 1.4% | 499 |
| 4pm–5pm | 79.3% | 0.9% | 349 |
| 5pm–6pm | 82.6% | 2.4% | 380 |
| 6pm–7pm | 82.3% | 1.9% | 411 |
| 7pm–8pm | 70.2% | 2.6% | 384 |
| 8pm–9pm | Limited data | 12 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on RSW 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) | 88.0% | +1.6 pts | 0.0% | 117 |
| Christmas & New Year (Dec 20 - Jan 3) | 80.1% | -6.3 pts | 1.1% | 269 |
| Summer peak (Jun 15 - Aug 15) | 82.6% | -3.8 pts | 2.8% | 933 |
| All other days | 86.4% | — | 1.7% | 4,528 |
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).