Historical on-time performance
Fort Lauderdale to Austin
1,105 miData through Dec 2025Source: US DOT · BTS
Flights on FLL–AUS arrive on time 72% of the time over the last 12 months.
On-time rate72%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled0.5%of scheduled flights
based on 588 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Southwest AirlinesOn-time78%Medianon timep9030 minCancel0.7%Flights302
- Spirit AirlinesOn-time73%Medianon timep9060 minCancel0.4%Flights231
- JetBlue AirwaysOn-time36%Median25 minp9095 minCancel0.0%Flights55
Why flights run late
Delay causes
- Airline30%
- Weather2%
- Air traffic (NAS)30%
- Late aircraft37%
- Security0%
Most delay minutes here are attributed to Late aircraft.
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 (2023-01 .. 2025-12).
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 · 664 flights
- Middays69% on time · p90 60 min · 849 flights
- Overnights62% on time · p90 70 min · 262 flights
- Afternoons58% on time · p90 85 min · 603 flights
- Evenings53% on time · p90 85 min · 662 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 58% to 73% on time.
- Tuesdays73% on time · p90 50 min · 406 flights
- Wednesdays70% on time · p90 55 min · 407 flights
- Mondays68% on time · p90 50 min · 450 flights
- Fridays66% on time · p90 60 min · 447 flights
- Thursdays65% on time · p90 65 min · 439 flights
- Saturdays63% on time · p90 80 min · 437 flights
- Sundays58% on time · p90 85 min · 454 flights
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