Best Time to Fly AUS to FLL: On-Time Stats by Hour & Airline
Austin - Bergstrom International → Fort Lauderdale-Hollywood International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 67.3% of Austin (AUS) to Fort Lauderdale (FLL) flights arrived on time (1,167 scheduled flights). That is 10.3 points below the national average of 77.6%.
JetBlue was the most punctual of the 3 airlines on the route at 71.7%, while Southwest Airlines trailed at 61.6%.
September has been the best month (83% on time) and Monday the weakest day of the week (64%).
2.2% of flights were cancelled, versus 1.8% nationally.
AUS to FLL on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| JetBlue | 71.7% | 75 min | 0.9% | 454 |
| Spirit Airlines | 67.6% | 66 min | 5.8% | 345 |
| Southwest Airlines | 61.6% | 45 min | 0.5% | 368 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly AUS to FLL
On-time arrival % by scheduled departure hour (local time), 1,894 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 85.7% | 3.5% | 87 |
| 6am–7am | 81.5% | 3.3% | 302 |
| 7am–8am | 76.2% | 2.8% | 255 |
| 8am–9am | 87.0% | 0.0% | 54 |
| 9am–10am | 80.5% | 2.3% | 43 |
| 10am–11am | 81.5% | 0.0% | 65 |
| 11am–12pm | 78.4% | 0.7% | 149 |
| 12pm–1pm | Limited data | 14 | |
| 1pm–2pm | 73.2% | 0.9% | 213 |
| 2pm–3pm | 63.5% | 0.0% | 76 |
| 3pm–4pm | 47.1% | 1.0% | 193 |
| 4pm–5pm | 33.3% | 2.0% | 102 |
| 5pm–6pm | 65.1% | 0.9% | 110 |
| 6pm–7pm | 66.7% | 0.0% | 33 |
| 7pm–8pm | 42.6% | 0.0% | 108 |
| 8pm–9pm | 66.1% | 0.0% | 62 |
| 9pm–10pm | Limited data | 28 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on AUS to FLL
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 72.7% | +2.1 pts | 0.0% | 44 |
| Christmas & New Year (Dec 20 - Jan 3) | 62.4% | -8.2 pts | 3.1% | 96 |
| Summer peak (Jun 15 - Aug 15) | 61.8% | -8.8 pts | 0.6% | 313 |
| All other days | 70.6% | — | 1.7% | 1,441 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).