Best Time to Fly LAS to MEM: On-Time Stats by Hour & Airline
Harry Reid International → Memphis International
Data through July 2026 · Last updated October 18, 2026
582 flights were scheduled from Las Vegas (LAS) to Memphis (MEM) in the last 12 months, and 77.3% of those that flew arrived on time, in line with the US average of 77.6%.
Among 3 airlines, Spirit Airlines led with 92.7% on time and Southwest Airlines was last with 69.0%.
Over 24 months, Wednesday was the most reliable day (88% on time) and July the worst month (66%).
The cancellation rate was 0.5% (US average 1.8%).
LAS to MEM on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Spirit Airlines | 92.7% | 132 min | 0.0% | 137 |
| Allegiant Air | 82.9% | 110 min | 0.0% | 105 |
| Southwest Airlines | 69.0% | 40 min | 0.9% | 321 |
| Frontier Airlines | Limited data | 19 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LAS to MEM
On-time arrival % by scheduled departure hour (local time), 1,298 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 4 | |
| 6am–7am | 89.7% | 1.7% | 59 |
| 7am–8am | 90.3% | 0.0% | 124 |
| 8am–9am | 94.8% | 0.0% | 155 |
| 9am–10am | 94.3% | 0.0% | 53 |
| 10am–11am | 79.6% | 0.0% | 55 |
| 11am–12pm | 79.6% | 0.9% | 109 |
| 12pm–1pm | 75.7% | 0.0% | 148 |
| 1pm–2pm | 76.4% | 0.0% | 107 |
| 2pm–3pm | 70.9% | 0.6% | 183 |
| 3pm–4pm | 83.0% | 0.0% | 188 |
| 4pm–5pm | 75.0% | 2.7% | 37 |
| 5pm–6pm | 76.9% | 0.0% | 40 |
| 6pm–7pm | 61.1% | 0.0% | 36 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on LAS to MEM
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 28 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 77.8% | -6.3 pts | 0.0% | 55 |
| Summer peak (Jun 15 - Aug 15) | 68.6% | -15.5 pts | 0.0% | 208 |
| All other days | 84.1% | — | 0.4% | 1,007 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).