DTW to LAS flight delays & on-time performance
Nonstop flights from Detroit Metropolitan Wayne County Airport to Harry Reid International Airport · 1,749 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at DTW or LAS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Detroit (DTW) to Las Vegas (LAS) arrived on time 75% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.5% were cancelled, and 8% arrived an hour or more late.
- Spirit Airlines was the most punctual airline here (80% on time); Southwest Airlines was the least (70%).
- Departures scheduled around 11am did best (87% on time); around 1pm did worst (52%).
- Thursday was the most reliable day to fly (80% on time) and Sunday the least (71%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (49%).
Which airline is most on time from DTW to LAS?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Spirit Airlines | 80% | 0.8% | 11 min | 6.2% | 501 |
| Delta Air Lines | 75% | 0.5% | 17 min | 8.3% | 1,883 |
| Southwest Airlines | 70% | 0.0% | 14 min | 5.1% | 337 |
| Frontier Airlines | 65% | 0.0% | 23 min | 14.1% | 71 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am84%172 flights
- 8am80%355 flights
- 9am77%217 flights
- 10am84%131 flights
- 11am87%129 flights
- 12pm74%396 flights
- 1pm52%90 flights
- 2pm79%40 flights
- 4pm72%359 flights
- 6pm70%327 flights
- 7pm79%148 flights
- 8pm69%339 flights
- 9pm93%40 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday72%0.7% cancelled
- Tuesday77%0.3% cancelled
- Wednesday78%0.5% cancelled
- Thursday80%0.2% cancelled
- Friday72%0.9% cancelled
- Saturday79%0.5% cancelled
- Sunday71%0.2% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)49%
- Air traffic control & airport congestion25%
- Late-arriving aircraft22%
- Extreme weather4%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)64%
- Extreme weather29%
- Air traffic control & airport congestion7%
- Security0%
DTW to LAS: common questions
- How often are DTW to LAS flights on time?
- 75% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Detroit to Las Vegas cancelled?
- 0.5% of scheduled flights were cancelled (14 of 2,792).
- How long are typical delays?
- Across all flights the average arrival delay was 16 min (early arrivals count as zero). Flights that were late arrived 59 min behind schedule on average, and 7.7% of flights were an hour or more late.
- How long is taxi time at DTW?
- Flights on this route spent 18 min taxiing from the gate to takeoff on average.
Related routes
Return trip: LAS to DTW — 81% on time
More flights from Detroit
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: DTW → LAS, nonstop flights by US airlines that report to the DOT. How we calculate this.