Historical on-time performance
Miami to Detroit
1,145 miData through May 2026Source: US DOT · BTS
Flights on MIA–DTW arrive on time 73% of the time over the last 12 months.
On-time rate73%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled1.3%of scheduled flights
based on 1,505 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesbestOn-time77%Medianon timep9040 minCancel0.9%Flights992
- American AirlinesOn-time67%Medianon timep9055 minCancel1.5%Flights394
- Spirit AirlinesOn-time58%Median5 minp9090 minCancel4.2%Flights119
Why flights run late
Delay causes
- Airline41%
- Weather2%
- Air traffic (NAS)18%
- Late aircraft39%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline40%
- Weather55%
- Air traffic (NAS)5%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 20 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 MIA → DTW
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 — 88% on time.
- Mornings88% on time · p90 15 min · 1,206 flights
- Middays72% on time · p90 40 min · 1,296 flights
- Afternoons67% on time · p90 70 min · 514 flights
- Evenings66% on time · p90 65 min · 891 flights
- Overnights63% on time · p90 75 min · 1,285 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 66% to 78% on time.
- Wednesdays78% on time · p90 40 min · 678 flights
- Tuesdays78% on time · p90 45 min · 670 flights
- Thursdays72% on time · p90 60 min · 766 flights
- Mondays72% on time · p90 60 min · 770 flights
- Fridays71% on time · p90 55 min · 786 flights
- Saturdays69% on time · p90 55 min · 751 flights
- Sundays66% on time · p90 70 min · 771 flights
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