Historical on-time performance
Grand Rapids to Las Vegas
1,642 miData through May 2026Source: US DOT · BTS
Flights on GRR–LAS arrive on time 69% of the time over the last 12 months.
On-time rate69%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 90 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time69%Medianon timep9045 minCancel0.0%Flights90
Why flights run late
Delay causes
- Airline13%
- Weather0%
- Air traffic (NAS)5%
- Late aircraft79%
- Security3%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly GRR → LAS
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 89% on time.
- Mornings89% on time · p90 15 min · 235 flights
- Middays79% on time · p90 35 min · 369 flights
- Afternoons71% on time · p90 35 min · 346 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 79% on time.
- Mondays79% on time · p90 35 min · 221 flights
- Sundays78% on time · p90 40 min · 227 flights
- Thursdays77% on time · p90 35 min · 217 flights
- Fridays75% on time · p90 40 min · 225 flights
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