Historical on-time performance
Detroit to Birmingham
Flights on DTW–BHM arrive on time 66% of the time over the last 12 months.
based on 170 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- Delta Air LinesOn-time87%Medianon timep9045 minCancel0.0%Flights31
- SkyWest AirlinesOn-time62%Medianon timep9095 minCancel3.6%Flights139
Why flights run late
Delay causes
- Airline76%
- Weather15%
- Air traffic (NAS)8%
- Late aircraft1%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline20%
- Weather80%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 5 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 DTW → BHM
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 71% to 78% on time.
- Overnights78% on time · p90 55 min · 206 flights
- Afternoons74% on time · p90 60 min · 631 flights
- Evenings71% on time · p90 70 min · 237 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 70% to 83% on time.
- Saturdays83% on time · p90 45 min · 118 flights · limited
- Tuesdays78% on time · p90 45 min · 179 flights · limited
- Thursdays77% on time · p90 50 min · 189 flights · limited
- Fridays74% on time · p90 75 min · 207 flights
- Mondays73% on time · p90 70 min · 206 flights
- Wednesdays73% on time · p90 55 min · 178 flights · limited
- Sundays70% on time · p90 65 min · 186 flights · limited
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