Historical on-time performance
Las Vegas to Memphis
1,416 miData through Dec 2025Source: US DOT · BTS
Flights on LAS–MEM arrive on time 80% of the time over the last 12 months.
On-time rate80%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 182 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Spirit AirlinesbestOn-time90%Medianon timep9010 minCancel0.0%Flights60
- Southwest AirlinesOn-time75%Medianon timep9030 minCancel0.0%Flights122
Why flights run late
Delay causes
- Airline56%
- Weather0%
- Air traffic (NAS)23%
- Late aircraft21%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly LAS → MEM
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 92% on time.
- Mornings92% on time · p90 10 min · 880 flights
- Middays79% on time · p90 35 min · 489 flights
- Afternoons75% on time · p90 50 min · 481 flights
- Evenings68% on time · p90 80 min · 75 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 80% to 90% on time.
- Wednesdays90% on time · p90 10 min · 192 flights · limited
- Fridays84% on time · p90 25 min · 368 flights
- Saturdays84% on time · p90 20 min · 203 flights
- Tuesdays84% on time · p90 20 min · 189 flights · limited
- Thursdays83% on time · p90 35 min · 298 flights
- Mondays83% on time · p90 25 min · 363 flights
- Sundays80% on time · p90 35 min · 312 flights
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