Historical on-time performance
Las Vegas to Detroit
1,749 miData through May 2026Source: US DOT · BTS
Flights on LAS–DTW arrive on time 82% of the time over the last 12 months.
On-time rate82%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.6%of scheduled flights
based on 2,764 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesbestOn-time84%Medianon timep9025 minCancel0.5%Flights1,927
- Spirit AirlinesOn-time79%Medianon timep9040 minCancel1.0%Flights593
- Southwest AirlinesOn-time71%Medianon timep9045 minCancel0.0%Flights244
Why flights run late
Delay causes
- Airline42%
- Weather4%
- Air traffic (NAS)20%
- Late aircraft34%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline69%
- Weather31%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 16 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 LAS → DTW
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 89% on time.
- Mornings89% on time · p90 10 min · 2,295 flights
- Early mornings81% on time · p90 20 min · 127 flights · limited
- Overnights80% on time · p90 35 min · 2,317 flights
- Middays79% on time · p90 35 min · 3,056 flights
- Afternoons79% on time · p90 40 min · 1,247 flights
- Evenings73% on time · p90 75 min · 317 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 87% on time.
- Tuesdays87% on time · p90 15 min · 1,256 flights
- Saturdays86% on time · p90 20 min · 1,310 flights
- Wednesdays86% on time · p90 20 min · 1,250 flights
- Thursdays80% on time · p90 40 min · 1,362 flights
- Fridays79% on time · p90 40 min · 1,391 flights
- Sundays79% on time · p90 35 min · 1,406 flights
- Mondays77% on time · p90 40 min · 1,384 flights
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