LAS to MEM flight delays & on-time performance
Nonstop flights from Harry Reid International Airport to Frederick W. Smith International Airport · 1,416 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at LAS or MEM right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Las Vegas (LAS) to Memphis (MEM) arrived on time 77% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.5% were cancelled, and 5% arrived an hour or more late.
- Spirit Airlines was the most punctual airline here (93% on time); Southwest Airlines was the least (69%).
- Departures scheduled around 8am did best (98% on time); around 1pm did worst (60%).
- Saturday was the most reliable day to fly (82% on time) and Friday the least (71%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (52%).
Which airline is most on time from LAS to MEM?
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 | 93% | 0.0% | 10 min | 5.1% | 137 |
| Allegiant Air | 83% | 0.0% | 20 min | 3.8% | 105 |
| Frontier Airlines | 74% | 0.0% | 11 min | 0.0% | 19 |
| Southwest Airlines | 69% | 0.9% | 14 min | 5.1% | 321 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am95%21 flights
- 7am88%26 flights
- 8am98%56 flights
- 9am96%27 flights
- 10am85%28 flights
- 11am78%56 flights
- 12pm64%50 flights
- 1pm60%53 flights
- 2pm64%95 flights
- 3pm83%96 flights
- 4pm79%35 flights
- 5pm74%31 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday81%0.0% cancelled
- Tuesday80%0.0% cancelled
- Wednesday79%0.0% cancelled
- Thursday75%0.0% cancelled
- Friday71%0.8% cancelled
- Saturday82%2.6% cancelled
- Sunday78%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.
- Airline (crew, maintenance, cleaning, fueling)52%
- Late-arriving aircraft29%
- Air traffic control & airport congestion18%
- 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%
LAS to MEM: common questions
- How often are LAS to MEM flights on time?
- 77% 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 Las Vegas to Memphis cancelled?
- 0.5% of scheduled flights were cancelled (3 of 582).
- 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 57 min behind schedule on average, and 4.7% of flights were an hour or more late.
- How long is taxi time at LAS?
- Flights on this route spent 18 min taxiing from the gate to takeoff on average.
Related routes
Return trip: MEM to LAS — 81% on time
More flights from Las Vegas
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: LAS → MEM, nonstop flights by US airlines that report to the DOT. How we calculate this.