Historical on-time performance
Grand Rapids to Houston
1,042 miData through May 2026Source: 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.
When flights don't go
Why flights were cancelled
- Airline44%
- Weather56%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 18 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly GRR → IAH
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 — 82% on time.
- Mornings82% on time · p90 20 min · 404 flights
- Evenings60% on time · p90 75 min · 116 flights · limited
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