Las Vegas (LAS) to Detroit (DTW): On-Time Performance
Data through July 2026
The calendar drives reliability on LAS–DTW. November 2024 flights landed on schedule 95% of the time, but July 2026 dropped to 67% — a gap of 28 points. Across the full period the route averages 82% on-time against a national 78%.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 0.6%
- Flights/day
- 7.6
- last 12 months
- Duration
- 3h 57m
- scheduled
- Distance
- 1,749 mi
Best airline from LAS to DTW
4 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Linesmost reliable | 85% | 12 min | 0.6% | 4,108 |
| Spirit Airlines | 81% | 16 min | 0.8% | 1,489 |
| Frontier Airlines | 75% | 16 min | 0.0% | 127 |
| Southwest Airlines | 70% | 14 min | 0.2% | 608 |
Monthly on-time trend
Best time to fly from LAS to DTW
Aim for departures around 6 a.m. (92% on-time); avoid 12 a.m. departures (66%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 14 min |
| Tuesdaybest | 89% | 9 min |
| Wednesday | 85% | 11 min |
| Thursday | 80% | 15 min |
| Friday | 78% | 16 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 operations43%
- National airspace system21%
- Weather3%
Frequently asked questions
- How often are flights from LAS to DTW delayed?
- 18% of LAS–DTW flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. 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 4,108 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 12 a.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 18% of the time.
- How often are LAS to DTW flights cancelled?
- 0.6% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from LAS to DTW?
- July 2026 was the roughest month in this dataset, with only 67% of arrivals on time. The best was November 2024 at 95%. If your dates are flexible, that 28-point gap is worth planning around.
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Based on 6,332 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.