Route · GRR → IAH · 2020–2025 BTS data
Grand Rapids to Houston
The GRR–IAH corridor (Grand Rapids, MI → Houston, TX) runs ahead of the national average, served by 8 carriers across roughly 1,042 miles.
Data updated 2026-06-13
- 81.7%
- On-time
- +2.7 pts
- vs US avg
- 82 min
- Delay when late
- 1,109
- Flights
Cancelled
2.6%
Best Month
N/A
Worst Month
N/A
Distance
1,042 mi
Carriers
8
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2024 | 31 | 9 | 0 | 0 | OO |
| Nov 2024 | 30 | 4 | 0 | 0 | OO |
| Oct 2024 | 31 | 2 | 1 | 0 | OO |
| Sep 2024 | 30 | 3 | 0 | 0 | OO,UA |
| Aug 2024 | 31 | 7 | 0 | 0 | OO |
| Jul 2024 | 31 | 17 | 3 | 0 | OO |
| Jun 2024 | 30 | 14 | 1 | 1 | OO |
| May 2024 | 31 | 6 | 2 | 1 | OO,UA |
| Apr 2024 | 30 | 3 | 0 | 0 | UA |
| Mar 2024 | 31 | 4 | 0 | 0 | UA |
| Jan 2024 | 31 | 9 | 6 | 0 | OO,UA |
| Dec 2023 | 31 | 2 | 0 | 0 | UA |
| Nov 2023 | 30 | 5 | 0 | 0 | UA |
| Oct 2023 | 31 | 3 | 0 | 0 | OO,UA |
| Sep 2023 | 31 | 8 | 0 | 0 | UA |
| Aug 2023 | 31 | 7 | 1 | 0 | UA |
| Jul 2023 | 31 | 1 | 2 | 0 | UA |
| Jun 2023 | 30 | 5 | 2 | 0 | UA |
| May 2023 | 31 | 1 | 1 | 1 | UA |
| Apr 2023 | 30 | 8 | 0 | 0 | UA |
| Mar 2023 | 31 | 12 | 0 | 0 | UA |
| Oct 2022 | 31 | 2 | 0 | 0 | OO |
| Sep 2022 | 30 | 2 | 0 | 0 | OO,YV |
| Aug 2022 | 31 | 3 | 0 | 0 | YV |
Cancellation Rate
2.6%
19 of 736 flights
Diversion Rate
0.4%
3 of 736 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
GRR - Grand Rapids
Full on-time, delay-cause, and seasonal performance for Grand Rapids, MI.
Origin airport →IAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
Destination airport →Compare the two airports
See GRR and IAH side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to GRR–IAH.
Routes with a similar on-time rate
What the Data Says About GRR to IAH
1,109 tracked flights put the GRR to IAH pairing (Grand Rapids to Houston) at a 81.7% on-time rate, squarely in line with the wider network. Delays that do occur run 82.3 minutes on average. Across the 1,042-mile route and its 8 carriers, the trailing 24 months show 2.6% cancelled and 0.4% diverted (736 flights sampled).
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
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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.