Historical on-time performance
Austin to Fort Lauderdale
1,105 miData through May 2026Source: US DOT · BTS
Flights on AUS–FLL arrive on time 64% of the time over the last 12 months.
On-time rate64%arrived within 15 min
p90 delay60 min1 in 10 flights is worse (tail risk)
Cancelled2.4%of scheduled flights
based on 951 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- JetBlue AirwaysbestOn-time71%Medianon timep9050 minCancel1.0%Flights298
- Spirit AirlinesOn-time62%Medianon timep9080 minCancel5.2%Flights349
- Southwest AirlinesOn-time60%Median5 minp9055 minCancel0.7%Flights304
Why flights run late
Delay causes
- Airline37%
- Weather1%
- Air traffic (NAS)22%
- Late aircraft41%
- Security1%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline48%
- Weather39%
- Air traffic (NAS)13%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 23 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 AUS → FLL
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 — 82% on time.
- Mornings82% on time · p90 20 min · 1,095 flights
- Middays73% on time · p90 50 min · 627 flights
- Evenings61% on time · p90 85 min · 739 flights
- Overnights61% on time · p90 110 min · 120 flights · limited
- Afternoons49% on time · p90 100 min · 606 flights
Best day of week
Tuesdays are the most reliable day to fly this route — 80% on time.
- Tuesdays80% on time · p90 40 min · 405 flights
- Saturdays73% on time · p90 65 min · 476 flights
- Wednesdays72% on time · p90 45 min · 408 flights
- Mondays66% on time · p90 65 min · 471 flights
- Thursdays65% on time · p90 60 min · 463 flights
- Fridays65% on time · p90 65 min · 475 flights
- Sundays61% on time · p90 80 min · 489 flights
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