Las Vegas (LAS) to Detroit (DTW): On-Time Performance
Data through May 2026
The calendar drives reliability on LAS–DTW. November 2024 flights landed on schedule 95% of the time, but July 2024 dropped to 73% — a gap of 22 points. Across the full period the route averages 83% on-time against a national 78%. Morning departures also hold up better than evening ones (88% vs 80%), which matters most in the rough months.
- On-time
- 83%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 0.6%
- Flights/day
- 8.1
- last 12 months
- Duration
- 3h 57m
- scheduled
- Distance
- 1,749 mi
Best airline from LAS to DTW
4 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Linesmost reliable | 85% | 11 min | 0.6% | 4,006 |
| Spirit Airlines | 81% | 16 min | 0.8% | 1,578 |
| Frontier Airlines | 75% | 14 min | 0.8% | 130 |
| Southwest Airlines | 74% | 14 min | 0.2% | 556 |
Monthly on-time trend
Best time to fly from LAS to DTW
Aim for departures around 6 a.m. (92% on-time); avoid 6 p.m. departures (66%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 79% | 14 min |
| Tuesdaybest | 89% | 9 min |
| Wednesday | 86% | 11 min |
| Thursday | 81% | 16 min |
| Friday | 79% | 15 min |
| Saturday | 88% | 9 min |
| Sunday | 79% | 15 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft32%
- Airline operations42%
- National airspace system22%
- Weather3%
Frequently asked questions
- How often are flights from LAS to DTW delayed?
- 17% of LAS–DTW flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 13 minutes.
- Which airline is most reliable from LAS to DTW?
- Delta Air Lines has the best on-time record on this route at 85%, based on 4,006 flights. 4 airlines flew LAS–DTW frequently enough to compare in this period.
- What is the best time of day to fly from LAS to DTW?
- Departures around 6 a.m. have the best record (92% on-time), while departures around 6 p.m. have the worst (66%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from LAS to DTW?
- The scheduled LAS–DTW flight time averages 3h 57m over 1,749 miles. Actual arrival times vary — flights on this route land 15+ minutes late 17% of the time.
- How often are LAS to DTW flights cancelled?
- 0.6% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from LAS to DTW?
- July 2024 was the roughest month in this dataset, with only 73% of arrivals on time. The best was November 2024 at 95%. If your dates are flexible, that 22-point gap is worth planning around.
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Based on 6,270 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.