Historical on-time performance
Fort Lauderdale to Detroit
1,127 miData through Dec 2025Source: US DOT · BTS
Flights on FLL–DTW arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled0.8%of scheduled flights
based on 2,702 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.
- Delta Air LinesOn-time77%Medianon timep9055 minCancel0.9%Flights1,714
- Spirit AirlinesOn-time76%Medianon timep9050 minCancel0.6%Flights988
Why flights run late
Delay causes
- Airline35%
- Weather5%
- Air traffic (NAS)19%
- Late aircraft41%
- 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 → DTW
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 — 88% on time.
- Mornings88% on time · p90 15 min · 2,623 flights
- Middays79% on time · p90 40 min · 1,530 flights
- Afternoons72% on time · p90 60 min · 1,532 flights
- Overnights67% on time · p90 75 min · 707 flights
- Evenings66% on time · p90 75 min · 1,193 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 83% on time.
- Tuesdays83% on time · p90 25 min · 1,018 flights
- Wednesdays81% on time · p90 35 min · 1,022 flights
- Thursdays79% on time · p90 40 min · 1,101 flights
- Saturdays77% on time · p90 50 min · 1,103 flights
- Fridays76% on time · p90 45 min · 1,108 flights
- Mondays75% on time · p90 55 min · 1,115 flights
- Sundays72% on time · p90 60 min · 1,118 flights
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