Best Time to Fly FLL to AUS: On-Time Stats by Hour & Airline
Fort Lauderdale-Hollywood International → Austin - Bergstrom International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 60.4% of Fort Lauderdale (FLL) to Austin (AUS) flights arrived on time (1,166 scheduled flights). That is 17.2 points below the national average of 77.6%.
Southwest Airlines was the most punctual of the 3 airlines on the route at 72.0%, while JetBlue trailed at 51.2%.
November has been the best month (81% on time) and Sunday the weakest day of the week (59%).
2.7% of flights were cancelled, versus 1.8% nationally.
FLL to AUS 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 |
|---|---|---|---|---|
| Southwest Airlines | 72.0% | 53 min | 0.5% | 368 |
| Spirit Airlines | 59.9% | 70 min | 7.0% | 343 |
| JetBlue | 51.2% | 60 min | 1.1% | 455 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly FLL to AUS
On-time arrival % by scheduled departure hour (local time), 1,896 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 6 | |
| 6am–7am | Limited data | 24 | |
| 7am–8am | 91.6% | 1.0% | 97 |
| 8am–9am | 80.6% | 0.0% | 67 |
| 9am–10am | 77.7% | 0.0% | 121 |
| 10am–11am | 82.3% | 0.0% | 187 |
| 11am–12pm | 65.8% | 0.9% | 116 |
| 12pm–1pm | 70.8% | 0.0% | 237 |
| 1pm–2pm | 54.2% | 1.8% | 109 |
| 2pm–3pm | 62.9% | 0.8% | 118 |
| 3pm–4pm | 56.2% | 0.0% | 80 |
| 4pm–5pm | 78.6% | 0.0% | 56 |
| 5pm–6pm | 69.4% | 0.0% | 49 |
| 6pm–7pm | 55.8% | 13.3% | 60 |
| 7pm–8pm | 78.2% | 7.1% | 84 |
| 8pm–9pm | 55.2% | 1.2% | 402 |
| 9pm–10pm | Limited data | 16 | |
| 10pm–11pm | 34.9% | 17.3% | 52 |
| 11pm–12am | Limited data | 15 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on FLL to AUS
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) | 70.5% | +2.8 pts | 0.0% | 44 |
| Christmas & New Year (Dec 20 - Jan 3) | 40.9% | -26.8 pts | 3.1% | 96 |
| Summer peak (Jun 15 - Aug 15) | 75.4% | +7.8 pts | 1.3% | 313 |
| All other days | 67.6% | — | 1.9% | 1,443 |
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).