Historical on-time performance
Fort Lauderdale to St. Croix Island
1,140 miData through Dec 2025Source: US DOT · BTS
Flights on FLL–STX arrive on time 89% of the time over the last 12 months.
On-time rate89%arrived within 15 min
p90 delay10 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 62 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Spirit AirlinesOn-time89%Medianon timep9010 minCancel0.0%Flights62
Why flights run late
Delay causes
- Airline15%
- Weather22%
- Air traffic (NAS)23%
- Late aircraft14%
- Security26%
Most delay minutes here are attributed to Security.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly FLL → STX
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 — 93% on time.
- Mornings93% on time · p90 5 min · 67 flights · limited
- Middays69% on time · p90 65 min · 741 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 60% to 85% on time.
- Tuesdays85% on time · p90 30 min · 84 flights · limited
- Wednesdays75% on time · p90 40 min · 113 flights · limited
- Thursdays73% on time · p90 60 min · 91 flights · limited
- Fridays72% on time · p90 55 min · 156 flights · limited
- Mondays72% on time · p90 50 min · 147 flights · limited
- Sundays63% on time · p90 60 min · 92 flights · limited
- Saturdays60% on time · p90 100 min · 125 flights · limited
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