Fort Lauderdale (FLL) to Austin (AUS): On-Time Performance
Data through May 2026
When you fly FLL to AUS matters as much as anything else about the booking: the route swung from 94% on-time in November 2024 to just 45% in March 2026. Across the full period the route averages 68% on-time against a national 78%. Morning departures also hold up better than evening ones (82% vs 57%), which matters most in the rough months.
- On-time
- 68%
- arrived <15 min late
- Avg delay
- 21 min
- completed flights
- Cancelled
- 1.9%
- Flights/day
- 3.0
- last 12 months
- Duration
- 3h 8m
- scheduled
- Distance
- 1,105 mi
Best airline from FLL to AUS
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlinesmost reliable | 76% | 14 min | 0.3% | 741 |
| Spirit Airlines | 70% | 21 min | 3.8% | 768 |
| JetBlue Airways | 44% | 34 min | 0.9% | 318 |
Monthly on-time trend
Best time to fly from FLL to AUS
Aim for departures around 7 a.m. (91% on-time); avoid 10 p.m. departures (35%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 68% | 18 min |
| Tuesdaybest | 77% | 14 min |
| Wednesday | 75% | 14 min |
| Thursday | 69% | 20 min |
| Friday | 69% | 20 min |
| Saturday | 65% | 23 min |
| Sunday | 56% | 33 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft32%
- Airline operations32%
- National airspace system34%
- Weather2%
Frequently asked questions
- How often are flights from FLL to AUS delayed?
- 32% of FLL–AUS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 21 minutes.
- Which airline is most reliable from FLL to AUS?
- Southwest Airlines has the best on-time record on this route at 76%, based on 741 flights. 3 airlines flew FLL–AUS frequently enough to compare in this period.
- What is the best time of day to fly from FLL to AUS?
- Departures around 7 a.m. have the best record (91% on-time), while departures around 10 p.m. have the worst (35%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from FLL to AUS?
- The scheduled FLL–AUS flight time averages 3h 8m over 1,105 miles. Actual arrival times vary — flights on this route land 15+ minutes late 32% of the time.
- How often are FLL to AUS flights cancelled?
- 1.9% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What is the worst month to fly from FLL to AUS?
- March 2026 was the roughest month in this dataset, with only 45% of arrivals on time. The best was November 2024 at 94%. If your dates are flexible, that 50-point gap is worth planning around.
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Based on 1,828 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.