Fort Lauderdale (FLL) to Atlanta (ATL): On-Time Performance
Data through July 2026
Fort Lauderdale (FLL) to Atlanta (ATL) effectively runs on two schedules. In September 2025, 83% of arrivals were on time; in July 2024 that fell to 58% — a 26-point seasonal swing. Across the full period the route averages 72% on-time against a national 78%. Morning departures also hold up better than evening ones (85% vs 59%), which matters most in the rough months.
- On-time
- 72%
- arrived <15 min late
- Avg delay
- 22 min
- completed flights
- Cancelled
- 2.0%
- Flights/day
- 20
- last 12 months
- Duration
- 2h 0m
- scheduled
- Distance
- 581 mi
Best airline from FLL to ATL
5 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlinesmost reliable | 83% | 9 min | 1.1% | 629 |
| Delta Air Lines | 77% | 19 min | 1.6% | 8,835 |
| Spirit Airlines | 62% | 25 min | 2.5% | 2,959 |
| Frontier Airlines | 61% | 35 min | 3.3% | 1,414 |
| JetBlue Airways | 56% | 31 min | 2.8% | 763 |
Monthly on-time trend
Best time to fly from FLL to ATL
Aim for departures around 5 a.m. (92% on-time); avoid 4 p.m. departures (53%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 68% | 26 min |
| Tuesday | 79% | 16 min |
| Wednesdaybest | 80% | 14 min |
| Thursday | 74% | 18 min |
| Friday | 70% | 24 min |
| Saturday | 70% | 23 min |
| Sunday | 61% | 34 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft42%
- Airline operations31%
- National airspace system24%
- Weather4%
Frequently asked questions
- How often are flights from FLL to ATL delayed?
- 29% of FLL–ATL 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 22 minutes.
- Which airline is most reliable from FLL to ATL?
- Southwest Airlines has the best on-time record on this route at 83%, based on 629 flights. 5 airlines flew FLL–ATL frequently enough to compare in this period.
- What is the best time of day to fly from FLL to ATL?
- Departures around 5 a.m. have the best record (92% on-time), while departures around 4 p.m. have the worst (53%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from FLL to ATL?
- The scheduled FLL–ATL flight time averages 2h 0m over 581 miles. Actual arrival times vary — flights on this route land 15+ minutes late 29% of the time.
- How often are FLL to ATL flights cancelled?
- 2% 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 FLL to ATL?
- July 2024 was the roughest month in this dataset, with only 58% of arrivals on time. The best was September 2025 at 83%. If your dates are flexible, that 26-point gap is worth planning around.
Explore related pages
More routes from FLL
Other ways to fly to Atlanta (ATL)
Related guides
Based on 14,600 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.