Historical on-time performance
Las Vegas to Grand Rapids
1,642 miData through Dec 2025Source: US DOT · BTS
Flights on LAS–GRR arrive on time 83% of the time over the last 12 months.
On-time rate83%arrived within 15 min
p90 delay20 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-time83%Medianon timep9020 minCancel0.0%Flights121
Why flights run late
Delay causes
- Airline15%
- Weather4%
- Air traffic (NAS)32%
- Late aircraft50%
- Security0%
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 LAS → GRR
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 — 86% on time.
- Mornings86% on time · p90 20 min · 306 flights
- Middays77% on time · p90 35 min · 346 flights
- Afternoons62% on time · p90 85 min · 323 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 70% to 79% on time.
- Wednesdays79% on time · p90 20 min · 62 flights · limited
- Sundays75% on time · p90 50 min · 212 flights
- Mondays75% on time · p90 50 min · 216 flights
- Thursdays74% on time · p90 45 min · 204 flights
- Fridays70% on time · p90 60 min · 218 flights
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