66% of flights from Austin to Fort Lauderdale arrived on time over the past 12 months. That is worse than the typical U.S. route. The 11 a.m. departures ran on time 80% of the time; the 3 p.m. ones 44%. Most reliable airline: JetBlue (72%). 12% of flights arrived more than an hour late or not at all.
How late?
The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for AUS → FLL: when a flight was late, it was under 45 minutes late 60% of the time. About 1 in 11 flights landed an hour or more late, and 1 in 68 three hours or more; 2.4% were cancelled outright.
- On time or early66%
- 15–30 min late12%
- 30–60 min late10%
- 1–2 hours late6.0%
- 2–3 hours late2.0%
- 3+ hours late1.5%
- Diverted0.2%
- Cancelled2.4%
Share of all 1,229 scheduled flights, past 12 months, by arrival time against schedule.
By airline
| Airline | Flights | On time | Cancelled | Typical arrival | 1h+ late | Avg when late | Operated by |
|---|---|---|---|---|---|---|---|
| JetBlue | 547 | 72% | 1.5% | −2 min | 9.0% | +72 min | JetBlue |
| Southwest Airlines | 368 | 60% | 0.5% | +8 min | 6.0% | +44 min | Southwest Airlines |
| Spirit Airlines | 314 | 61% | 6.4% | +5 min | 14.3% | +68 min | Spirit Airlines |
Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.
Best time of day to fly
On-time rate by scheduled departure hour (local time at AUS). Delays build through the day as late planes knock on, so early flights usually do best.
By airline and hour
| Departs | JetBlue |
|---|---|
| 6 a.m. | 85% |
| 3 p.m. | 54% |
Last flight of the day
On AUS → FLL, each airline's last flight of the day was cancelled 1.3% of the time, against 4.6% for its earlier flights, so here the last flight is actually the safer one. It arrived 3+ hours late 3.2% of the time (earlier flights: 0.5%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.
| Airline | Last departure | Last: cancelled | Last: 3h+ late | Earlier: cancelled | Next morning |
|---|---|---|---|---|---|
| JetBlue | 3:04 p.m. | 0.5% | 2.4% | 2.3% | first flight 7:00 a.m. |
Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.
By month
Each calendar month pooled over 2023–2026. Best: February (75%). Worst: March (53%).
By day of week
| Day | Flights | On time | Cancelled |
|---|---|---|---|
| Monday | 190 | 61% | 4.2% |
| Tuesday | 142 | 72% | 4.9% |
| Wednesday | 144 | 68% | 1.4% |
| Thursday | 182 | 68% | 0.5% |
| Friday | 187 | 63% | 0.5% |
| Saturday | 193 | 68% | 2.6% |
| Sunday | 191 | 60% | 3.1% |
Why flights were late
Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.
Cancellations: airline 15 · weather 11 · air traffic/airport 4
Month by month
Flight numbers on this route
Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.
| Flight | Departs | Flights | On time | Cancelled | Typical arrival | Operated by |
|---|---|---|---|---|---|---|
| B6 2272 | 6:00 a.m. | 283 | 84% | 1.4% | −9 min | JetBlue |
| B6 1972 | 3:04 p.m. | 210 | 54% | 0.5% | +11 min | JetBlue |
Worst days in the past year
| Date | Flights | On time | Cancelled |
|---|---|---|---|
| Dec 22, 2025 | 4 | 0% | 1 |
| Dec 14, 2025 | 4 | 0% | 0 |
| Oct 19, 2025 | 3 | 0% | 0 |
| Oct 26, 2025 | 3 | 0% | 0 |
| Mar 15, 2026 | 6 | 17% | 0 |
Nearby airport alternatives
Other ways to make the same trip, using airports within 60 miles of Austin or Fort Lauderdale. AUS → MIA has been 13 points more reliable.
| Route | Flights | On time | Cancelled |
|---|---|---|---|
| AUS → FLL (this route) | 1,229 | 66% | 2.4% |
| AUS → MIA Austin-Bergstrom to Miami | 2,236 | 79% | 1.1% |
Questions
How often are flights from AUS to FLL on time?
66% of 1,229 scheduled flights from Austin, TX to Fort Lauderdale, FL arrived within 15 minutes of schedule between September 2025 and August 2026. 2.4% were cancelled.
What is the best time of day to fly AUS to FLL?
Flights scheduled to leave at 11 a.m. were the most reliable (80% on time). The 3 p.m. departures were the least (44%).
Which airline is most on time from AUS to FLL?
JetBlue: 72% of its 547 flights on the route arrived on time. Southwest Airlines: 60%. Spirit Airlines: 61%.
What month has the most delays from AUS to FLL?
March (53% on time). The best month is February (75%), over 2023–2026.
Is the last flight of the day from AUS to FLL more likely to be cancelled?
No, the opposite. Each airline's last AUS–FLL flight of the day was cancelled 1.3% of the time over the past year, against 4.6% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.
Related
- FLL → AUS (return)
- Austin-Bergstrom (AUS) delays by hour
- Flights into Fort Lauderdale (FLL)
- JetBlue on-time record
- Southwest Airlines on-time record
- Spirit Airlines on-time record
- Connecting off this flight? Check the risk
Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.