Route · IAH → DTW · 2020–2025 BTS data
Houston to Detroit
The IAH–DTW corridor (Houston, TX → Detroit, MI) runs ahead of the national average, served by 35 carriers across roughly 1,075 miles.
Data updated 2026-06-13
- 82.1%
- On-time
- +3.1 pts
- vs US avg
- 86 min
- Delay when late
- 14,651
- Flights
Cancelled
1.2%
Best Month
Sep 2025 89%
Worst Month
Jul 2024 63%
Distance
1,075 mi
Carriers
35
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 169 | 34 | 3 | 0 | DL,F9,NK,UA |
| Nov 2025 | 190 | 34 | 2 | 0 | UA,DL,F9,NK |
| Oct 2025 | 171 | 21 | 0 | 0 | UA,DL,NK |
| Sep 2025 | 180 | 19 | 0 | 0 | UA,DL,NK |
| Aug 2025 | 206 | 45 | 2 | 1 | NK,UA,DL |
| Jul 2025 | 198 | 47 | 3 | 2 | DL,UA,NK |
| Jun 2025 | 180 | 47 | 3 | 1 | DL,UA,NK |
| May 2025 | 176 | 26 | 1 | 1 | DL,NK,UA |
| Apr 2025 | 174 | 22 | 0 | 0 | DL,NK,UA |
| Mar 2025 | 197 | 29 | 0 | 0 | DL,UA,NK |
| Feb 2025 | 175 | 31 | 0 | 0 | DL,UA,NK |
| Jan 2025 | 206 | 35 | 9 | 0 | DL,UA,NK |
| Dec 2024 | 225 | 55 | 3 | 0 | DL,NK,UA |
| Nov 2024 | 216 | 36 | 0 | 0 | UA,NK,DL |
| Oct 2024 | 223 | 29 | 0 | 1 | UA,DL,NK |
| Sep 2024 | 224 | 33 | 0 | 0 | UA,DL,NK |
| Aug 2024 | 240 | 58 | 1 | 0 | DL,NK,UA |
| Jul 2024 | 209 | 77 | 15 | 1 | DL,NK,OO,UA |
| Jun 2024 | 227 | 46 | 2 | 0 | DL,NK,UA |
| May 2024 | 210 | 52 | 4 | 1 | DL,NK,UA |
| Apr 2024 | 188 | 28 | 1 | 0 | DL,NK,OO,UA |
| Mar 2024 | 172 | 26 | 0 | 0 | DL,OO,UA,NK |
| Feb 2024 | 153 | 19 | 0 | 0 | DL,NK,OO,UA |
| Jan 2024 | 161 | 39 | 5 | 1 | DL,NK,UA |
Cancellation Rate
1.2%
54 of 4,670 flights
Diversion Rate
0.2%
9 of 4,670 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 →DTW - Detroit
Full on-time, delay-cause, and seasonal performance for Detroit, MI.
Destination airport →Compare the two airports
See IAH and DTW 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–DTW.
Routes with a similar on-time rate
What the Data Says About IAH to DTW
Bureau of Transportation Statistics records show Houston to Detroit (IAH to DTW) running a 82.1% on-time rate over 14,651 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 86.1 minutes. The 1,075-mile corridor is served by 35 carriers, and over the last 24 months 1.2% of 4,670 flights were cancelled, 0.2% diverted.
The monthly split is wide on this route: Sep 2025 posted the strongest performance at 89% on-time, while Jul 2024 came in at just 63% - a 26-point swing worth factoring into travel timing.
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.