Historical on-time performance
Houston to Grand Rapids
1,042 miData through Dec 2025Source: US DOT · BTS
No flights recorded for last 12 months on this route.
By airline
How each carrier compares
No airline figures for this window yet.
Why flights run late
Delay causes
Delay-cause data appears once delayed flights are recorded for this window.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly IAH → GRR
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 53% to 67% on time.
- Evenings67% on time · p90 60 min · 423 flights
- Middays67% on time · p90 55 min · 181 flights · limited
- Overnights53% on time · p90 80 min · 87 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 61% to 71% on time.
- Tuesdays71% on time · p90 55 min · 100 flights · limited
- Mondays69% on time · p90 65 min · 100 flights · limited
- Wednesdays65% on time · p90 35 min · 97 flights · limited
- Saturdays65% on time · p90 70 min · 99 flights · limited
- Sundays63% on time · p90 105 min · 100 flights · limited
- Fridays63% on time · p90 50 min · 99 flights · limited
- Thursdays61% on time · p90 70 min · 98 flights · limited
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