Austin (AUS) to Fort Lauderdale (FLL): On-Time Performance
Data through July 2026
The calendar drives reliability on AUS–FLL. September 2025 flights landed on schedule 88% of the time, but March 2026 dropped to 47% — a gap of 41 points. Across the full period the route averages 69% on-time against a national 78%. Morning departures also hold up better than evening ones (80% vs 59%), which matters most in the rough months.
- On-time
- 69%
- arrived <15 min late
- Avg delay
- 20 min
- completed flights
- Cancelled
- 1.6%
- Flights/day
- 3.2
- last 12 months
- Duration
- 2h 44m
- scheduled
- Distance
- 1,105 mi
Best airline from AUS to FLL
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| JetBlue Airwaysmost reliable | 72% | 23 min | 0.9% | 454 |
| Spirit Airlines | 70% | 21 min | 3.3% | 737 |
| Southwest Airlines | 66% | 18 min | 0.5% | 768 |
Monthly on-time trend
Best time to fly from AUS to FLL
Aim for departures around 8 a.m. (87% on-time); avoid 4 p.m. departures (33%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 64% | 23 min |
| Tuesdaybest | 75% | 14 min |
| Wednesday | 72% | 15 min |
| Thursday | 67% | 19 min |
| Friday | 67% | 20 min |
| Saturday | 75% | 21 min |
| Sunday | 64% | 26 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft41%
- Airline operations34%
- National airspace system24%
- Weather1%
Frequently asked questions
- How often are flights from AUS to FLL delayed?
- 31% of AUS–FLL 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 20 minutes.
- Which airline is most reliable from AUS to FLL?
- JetBlue Airways has the best on-time record on this route at 72%, based on 454 flights. 3 airlines flew AUS–FLL frequently enough to compare in this period.
- What is the best time of day to fly from AUS to FLL?
- Departures around 8 a.m. have the best record (87% on-time), while departures around 4 p.m. have the worst (33%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from AUS to FLL?
- The scheduled AUS–FLL flight time averages 2h 44m over 1,105 miles. Actual arrival times vary — flights on this route land 15+ minutes late 31% of the time.
- How often are AUS to FLL flights cancelled?
- 1.6% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from AUS to FLL?
- March 2026 was the roughest month in this dataset, with only 47% of arrivals on time. The best was September 2025 at 88%. If your dates are flexible, that 41-point gap is worth planning around.
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Based on 1,960 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.