Historical on-time performance
Detroit to Sacramento
2,013 miData through Dec 2025Source: US DOT · BTS
Flights on DTW–SMF arrive on time 81% of the time over the last 12 months.
On-time rate81%arrived within 15 min
p90 delay25 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-time81%Medianon timep9025 minCancel0.0%Flights151
Why flights run late
Delay causes
- Airline71%
- Weather1%
- Air traffic (NAS)14%
- Late aircraft13%
- 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 → SMF
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 57% to 92% on time.
- Mornings92% on time · p90 10 min · 105 flights · limited
- Evenings90% on time · p90 15 min · 88 flights · limited
- Overnights57% on time · p90 55 min · 124 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 63% to 78% on time.
- Thursdays78% on time · p90 40 min · 50 flights · limited
- Mondays68% on time · p90 35 min · 53 flights · limited
- Sundays63% on time · p90 75 min · 52 flights · limited
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