Historical on-time performance
Sacramento to Detroit
2,013 miData through Dec 2025Source: US DOT · BTS
Flights on SMF–DTW arrive on time 88% of the time over the last 12 months.
On-time rate88%arrived within 15 min
p90 delay15 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 151 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time88%Medianon timep9015 minCancel0.0%Flights151
Why flights run late
Delay causes
- Airline70%
- Weather0%
- Air traffic (NAS)14%
- Late aircraft16%
- 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 SMF → DTW
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 88% to 89% on time.
- Middays89% on time · p90 15 min · 105 flights · limited
- Overnights88% on time · p90 15 min · 212 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 85% to 94% on time.
- Thursdays94% on time · p90 5 min · 50 flights · limited
- Mondays87% on time · p90 30 min · 53 flights · limited
- Sundays85% on time · p90 25 min · 52 flights · limited
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