Historical on-time performance
Detroit to Birmingham
625 miData through Dec 2025Source: US DOT · BTS
Flights on DTW–BHM arrive on time 69% of the time over the last 12 months.
On-time rate69%arrived within 15 min
p90 delay90 min1 in 10 flights is worse (tail risk)
Cancelled1.0%of scheduled flights
based on 99 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time69%Medianon timep9090 minCancel1.0%Flights99
Why flights run late
Delay causes
- Airline84%
- Weather12%
- Air traffic (NAS)4%
- Late aircraft0%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly DTW → BHM
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 71% to 85% on time.
- Middays85% on time · p90 35 min · 92 flights · limited
- Mornings78% on time · p90 60 min · 97 flights · limited
- Overnights78% on time · p90 55 min · 206 flights
- Afternoons76% on time · p90 50 min · 670 flights
- Evenings71% on time · p90 70 min · 156 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 83% on time.
- Saturdays83% on time · p90 45 min · 108 flights · limited
- Tuesdays80% on time · p90 45 min · 171 flights · limited
- Thursdays79% on time · p90 40 min · 185 flights · limited
- Fridays76% on time · p90 65 min · 202 flights
- Wednesdays74% on time · p90 45 min · 175 flights · limited
- Mondays74% on time · p90 70 min · 202 flights
- Sundays71% on time · p90 65 min · 178 flights · limited
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