Route · IAH → GRR · 2020–2025 BTS data
Houston to Grand Rapids
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), IAH to GRR (Houston to Grand Rapids) ranks #4395 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 74%
- On-time
- -5 pts
- vs US avg
- 72 min
- Delay when late
- 1,138
- Flights
- #4395 of 4927
- Corpus placement
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 |
IAH–GRR seasonal on-time pattern
Best: November (86.7%) · weakest: June (56.7%)
Strongest calendar month
November
86.7% on-time · ~30 flights/mo
Busiest calendar month
February
~45 flights/mo avg
Weakest calendar month
June
56.7% on-time · ~30 flights/mo
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.
IAH on-time profileGRR - Grand Rapids
Full on-time, delay-cause, and seasonal performance for Grand Rapids, MI.
GRR on-time profileCompare the two airports
See IAH and GRR side by side on delays, cancellations, and reliability.
Compare IAH vs GRROrigin-hub reliability standing
Softer reliability from IAH
Among 102 routes leaving IAH, only 6 (including this one) clear below 75% on-time, while 17 stay ≥85% and 79 sit mid-band. Travelers comparing IAH options should weigh this 74% print against those peers · fleet on-time rank #4602 of 4927.
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.
On the multi-year calendar, IAH–GRR peaks in November at 86.7% on-time while February carries the heaviest traffic (~45 flights per month) ; the softest month is June at 56.7%, a 30.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does IAH to GRR rank among US routes by traffic? ▼
How often are flights delayed from IAH to GRR? ▼
What is the cancellation rate for IAH to GRR? ▼
How far is the flight from IAH to GRR? ▼
Airports on this route
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.
Using IAH–GRR data
IAH–GRR sits 5 pts below the national 79% average; check the seasonal chart and airport profiles before treating the headline as typical.
- Compare IAH and GRR airport profiles: delay causes and top routes differ even on the same corridor. IAH airport
- If your dates flex, November (86.7% on-time) beats June (56.7%) on this corridor. Seasonal chart
- 4 other routes post a similar 74% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.