Atlanta (ATL) to Fort Myers (RSW): On-Time Performance
Data through July 2026
The calendar drives reliability on ATL–RSW. November 2024 flights landed on schedule 90% of the time, but July 2024 dropped to 60% — a gap of 31 points. Across the full period the route averages 77% on-time against a national 78%. Morning departures also hold up better than evening ones (83% vs 70%), which matters most in the rough months.
- On-time
- 77%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 1.9%
- Flights/day
- 7.7
- last 12 months
- Duration
- 1h 40m
- scheduled
- Distance
- 515 mi
Best airline from ATL to RSW
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlinesmost reliable | 80% | 11 min | 2.9% | 275 |
| Delta Air Lines | 77% | 15 min | 1.9% | 5,709 |
| Frontier Airlines | 58% | 32 min | 2.8% | 109 |
Monthly on-time trend
Best time to fly from ATL to RSW
Aim for departures around 8 a.m. (88% on-time); avoid 8 p.m. departures (62%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 74% | 18 min |
| Tuesday | 82% | 10 min |
| Wednesdaybest | 86% | 8 min |
| Thursday | 81% | 10 min |
| Friday | 73% | 18 min |
| Saturday | 76% | 17 min |
| Sunday | 67% | 23 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft26%
- Airline operations50%
- National airspace system19%
- Weather5%
Frequently asked questions
- How often are flights from ATL to RSW delayed?
- 23% of ATL–RSW flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 15 minutes.
- Which airline is most reliable from ATL to RSW?
- Southwest Airlines has the best on-time record on this route at 80%, based on 275 flights. 3 airlines flew ATL–RSW frequently enough to compare in this period.
- What is the best time of day to fly from ATL to RSW?
- Departures around 8 a.m. have the best record (88% on-time), while departures around 8 p.m. have the worst (62%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ATL to RSW?
- The scheduled ATL–RSW flight time averages 1h 40m over 515 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are ATL to RSW flights cancelled?
- 1.9% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from ATL to RSW?
- July 2024 was the roughest month in this dataset, with only 60% of arrivals on time. The best was November 2024 at 90%. If your dates are flexible, that 31-point gap is worth planning around.
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Based on 6,093 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.