Historical on-time performance
Salt Lake City to Detroit
1,481 miData through Dec 2025Source: US DOT · BTS
Flights on SLC–DTW arrive on time 87% of the time over the last 12 months.
On-time rate87%arrived within 15 min
p90 delay20 min1 in 10 flights is worse (tail risk)
Cancelled0.1%of scheduled flights
based on 1,512 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time87%Medianon timep9020 minCancel0.1%Flights1,512
Why flights run late
Delay causes
- Airline51%
- Weather2%
- Air traffic (NAS)16%
- Late aircraft31%
- 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 SLC → DTW
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 92% on time.
- Mornings92% on time · p90 10 min · 2,186 flights
- Middays83% on time · p90 30 min · 515 flights
- Afternoons81% on time · p90 25 min · 602 flights
- Evenings79% on time · p90 45 min · 1,083 flights
- Overnights78% on time · p90 40 min · 197 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 83% to 87% on time.
- Mondays87% on time · p90 15 min · 659 flights
- Tuesdays87% on time · p90 20 min · 647 flights
- Saturdays86% on time · p90 20 min · 622 flights
- Wednesdays86% on time · p90 20 min · 672 flights
- Thursdays86% on time · p90 20 min · 652 flights
- Fridays85% on time · p90 30 min · 673 flights
- Sundays83% on time · p90 25 min · 658 flights
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