MEM to LAS flight delays & on-time performance
Nonstop flights from Frederick W. Smith International Airport to Harry Reid International Airport · 1,416 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MEM or LAS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Memphis (MEM) to Las Vegas (LAS) arrived on time 81% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.5% were cancelled, and 6% arrived an hour or more late.
- Spirit Airlines was the most punctual airline here (91% on time); Allegiant Air was the least (71%).
- Departures scheduled around 7am did best (97% on time); around 9pm did worst (70%).
- Tuesday was the most reliable day to fly (92% on time) and Friday the least (73%).
- The largest source of delay minutes was late-arriving aircraft (55%).
Which airline is most on time from MEM 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 | 91% | 0.0% | 7 min | 4.3% | 139 |
| Southwest Airlines | 81% | 0.9% | 12 min | 4.7% | 321 |
| Allegiant Air | 71% | 0.0% | 28 min | 9.5% | 105 |
| Frontier Airlines | 63% | 0.0% | 19 min | 5.3% | 19 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am97%35 flights
- 7am97%74 flights
- 10am77%13 flights
- 11am76%38 flights
- 12pm75%71 flights
- 1pm79%53 flights
- 2pm82%71 flights
- 3pm96%54 flights
- 4pm72%36 flights
- 5pm71%17 flights
- 8pm80%20 flights
- 9pm70%88 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday75%0.8% cancelled
- Tuesday92%0.0% cancelled
- Wednesday91%0.0% cancelled
- Thursday83%0.0% cancelled
- Friday73%0.0% cancelled
- Saturday89%2.6% cancelled
- Sunday84%1.2% 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 aircraft55%
- Airline (crew, maintenance, cleaning, fueling)22%
- Air traffic control & airport congestion22%
- Extreme weather1%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
MEM to LAS: common questions
- How often are MEM to LAS flights on time?
- 81% 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 Memphis to Las Vegas cancelled?
- 0.5% of scheduled flights were cancelled (3 of 584).
- How long are typical delays?
- Across all flights the average arrival delay was 14 min (early arrivals count as zero). Flights that were late arrived 71 min behind schedule on average, and 5.5% of flights were an hour or more late.
- How long is taxi time at MEM?
- Flights on this route spent 12 min taxiing from the gate to takeoff on average.
Related routes
Return trip: LAS to MEM — 77% on time
More flights from Memphis
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: MEM → LAS, nonstop flights by US airlines that report to the DOT. How we calculate this.