Historical on-time performance
Fort Lauderdale to Austin
1,105 miData through May 2026Source: US DOT · BTS
Flights on FLL–AUS arrive on time 59% of the time over the last 12 months.
On-time rate59%arrived within 15 min
p90 delay80 min1 in 10 flights is worse (tail risk)
Cancelled2.8%of scheduled flights
based on 950 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesbestOn-time75%Medianon timep9040 minCancel0.3%Flights304
- Spirit AirlinesOn-time59%Medianon timep9085 minCancel6.6%Flights348
- JetBlue AirwaysOn-time42%Median20 minp9095 minCancel1.0%Flights298
Why flights run late
Delay causes
- Airline33%
- Weather1%
- Air traffic (NAS)32%
- Late aircraft34%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline44%
- Weather48%
- Air traffic (NAS)7%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 27 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly FLL → AUS
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 84% on time.
- Mornings84% on time · p90 20 min · 640 flights
- Middays66% on time · p90 65 min · 991 flights
- Afternoons58% on time · p90 80 min · 529 flights
- Overnights51% on time · p90 90 min · 459 flights
- Evenings51% on time · p90 80 min · 569 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 55% to 71% on time.
- Tuesdays71% on time · p90 55 min · 405 flights
- Wednesdays67% on time · p90 55 min · 405 flights
- Thursdays64% on time · p90 60 min · 467 flights
- Mondays64% on time · p90 55 min · 471 flights
- Fridays64% on time · p90 70 min · 473 flights
- Saturdays60% on time · p90 75 min · 478 flights
- Sundays55% on time · p90 95 min · 489 flights
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