MKE to LAS flight delays & on-time performance
Nonstop flights from General Mitchell International Airport to Harry Reid International Airport · 1,524 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MKE or LAS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Milwaukee (MKE) to Las Vegas (LAS) arrived on time 82% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1% were cancelled, and 5% arrived an hour or more late.
- Departures scheduled around 5am did best (92% on time); around 6pm did worst (64%).
- Wednesday was the most reliable day to fly (89% on time) and Monday the least (76%).
- The largest source of delay minutes was late-arriving aircraft (50%).
Which airline is most on time from MKE 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 |
|---|---|---|---|---|---|
| Frontier Airlines | 100% | 16.7% | 0 min | 0.0% | 6 |
| Southwest Airlines | 82% | 0.9% | 10 min | 4.6% | 1,005 |
| Spirit Airlines | 78% | 2.6% | 18 min | 13.5% | 38 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am92%169 flights
- 6am92%176 flights
- 9am100%20 flights
- 10am88%43 flights
- 11am86%81 flights
- 12pm78%84 flights
- 1pm82%51 flights
- 2pm80%60 flights
- 3pm77%39 flights
- 4pm76%17 flights
- 5pm73%42 flights
- 6pm64%113 flights
- 7pm67%100 flights
- 8pm67%21 flights
- 9pm86%15 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday76%2.6% cancelled
- Tuesday86%0.7% cancelled
- Wednesday89%0.0% cancelled
- Thursday77%1.3% cancelled
- Friday83%0.0% cancelled
- Saturday86%0.9% cancelled
- Sunday78%1.7% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft50%
- Air traffic control & airport congestion26%
- Airline (crew, maintenance, cleaning, fueling)23%
- Security1%
- Extreme weather0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather45%
- Airline (crew, maintenance, cleaning, fueling)27%
- Air traffic control & airport congestion27%
- Security0%
MKE to LAS: common questions
- How often are MKE to LAS flights on time?
- 82% 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 Milwaukee to Las Vegas cancelled?
- 1.0% of scheduled flights were cancelled (11 of 1,049).
- How long are typical delays?
- Across all flights the average arrival delay was 10 min (early arrivals count as zero). Flights that were late arrived 53 min behind schedule on average, and 4.9% of flights were an hour or more late.
- How long is taxi time at MKE?
- Flights on this route spent 13 min taxiing from the gate to takeoff on average.
Related routes
Return trip: LAS to MKE — 74% on time
More flights from Milwaukee
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: MKE → LAS, nonstop flights by US airlines that report to the DOT. How we calculate this.