Historical on-time performance
Grand Rapids to Las Vegas
1,642 miData through Dec 2025Source: US DOT · BTS
Flights on GRR–LAS arrive on time 75% of the time over the last 12 months.
On-time rate75%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 121 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time75%Medianon timep9030 minCancel0.0%Flights121
Why flights run late
Delay causes
- Airline13%
- Weather0%
- Air traffic (NAS)6%
- Late aircraft78%
- 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 (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 87% on time.
- Mornings87% on time · p90 20 min · 239 flights
- Middays78% on time · p90 35 min · 334 flights
- Overnights74% on time · p90 130 min · 77 flights · limited
- Afternoons71% on time · p90 40 min · 330 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 81% on time.
- Wednesdays81% on time · p90 35 min · 62 flights · limited
- Mondays78% on time · p90 40 min · 216 flights
- Fridays77% on time · p90 45 min · 218 flights
- Sundays76% on time · p90 40 min · 212 flights
- Thursdays76% on time · p90 30 min · 204 flights
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