Route · IAH → GRR · 2020–2025 BTS data
Houston to Grand Rapids
The IAH–GRR corridor (Houston, TX → Grand Rapids, MI) runs behind the national average, served by 9 carriers across roughly 1,042 miles.
Data updated 2026-06-13
- 74%
- On-time
- -5 pts
- vs US avg
- 72 min
- Delay when late
- 1,138
- Flights
Cancelled
2.4%
Best Month
N/A
Worst Month
N/A
Distance
1,042 mi
Carriers
9
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2024 | 31 | 8 | 0 | 0 | OO |
| Nov 2024 | 30 | 2 | 0 | 0 | OO |
| Oct 2024 | 31 | 7 | 1 | 0 | OO |
| Sep 2024 | 30 | 3 | 0 | 0 | OO |
| Aug 2024 | 31 | 8 | 0 | 0 | OO |
| Jul 2024 | 31 | 18 | 2 | 0 | OO |
| Jun 2024 | 30 | 16 | 1 | 0 | OO |
| May 2024 | 30 | 12 | 2 | 0 | OO |
| Apr 2024 | 30 | 8 | 0 | 0 | UA |
| Mar 2024 | 31 | 7 | 0 | 0 | UA |
| Jan 2024 | 31 | 9 | 6 | 0 | OO,UA |
| Dec 2023 | 31 | 6 | 0 | 0 | UA |
| Nov 2023 | 30 | 6 | 0 | 0 | UA |
| Oct 2023 | 31 | 4 | 0 | 0 | OO,UA |
| Sep 2023 | 30 | 5 | 0 | 1 | UA |
| Aug 2023 | 31 | 13 | 0 | 0 | UA |
| Jul 2023 | 31 | 19 | 2 | 0 | UA |
| Jun 2023 | 30 | 19 | 3 | 0 | UA |
| May 2023 | 31 | 15 | 1 | 0 | UA |
| Apr 2023 | 30 | 17 | 0 | 0 | UA |
| Mar 2023 | 31 | 11 | 0 | 0 | UA |
| Oct 2022 | 31 | 4 | 0 | 0 | OO |
| Aug 2022 | 31 | 2 | 0 | 0 | YV |
| Jul 2022 | 31 | 8 | 0 | 0 | YV |
Cancellation Rate
2.4%
18 of 735 flights
Diversion Rate
0.1%
1 of 735 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
IAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
Origin airport →GRR - Grand Rapids
Full on-time, delay-cause, and seasonal performance for Grand Rapids, MI.
Destination airport →Compare the two airports
See IAH and GRR side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to IAH–GRR.
Routes with a similar on-time rate
What the Data Says About IAH to GRR
On-time performance on the IAH to GRR pairing (Houston to Grand Rapids) trails a chunk of the network: 74% of 1,138 tracked flights arrived on schedule, with a 71.8-minute average delay on the ones that ran late. The route spans about 1,042 miles across 9 carriers. Cancellations over the trailing 24 months hit 2.4% (18 of 735 flights), with 0.1% diverted.
Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.
Frequently Asked Questions
How often are flights delayed from IAH to GRR? ▼
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.