Route · DTW → IAH · 2020–2025 BTS data
Detroit to Houston
The DTW–IAH corridor (Detroit, MI → Houston, TX) runs ahead of the national average, served by 34 carriers across roughly 1,075 miles.
Data updated 2026-06-13
- 80.8%
- On-time
- +1.8 pts
- vs US avg
- 72 min
- Delay when late
- 14,639
- Flights
Cancelled
1.2%
Best Month
Sep 2025 94%
Worst Month
Jul 2024 60%
Distance
1,075 mi
Carriers
34
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 170 | 64 | 4 | 0 | DL,F9,NK,UA |
| Nov 2025 | 191 | 33 | 2 | 0 | UA,DL,F9,NK |
| Oct 2025 | 168 | 14 | 0 | 0 | UA,DL,NK |
| Sep 2025 | 181 | 10 | 0 | 0 | UA,DL,NK |
| Aug 2025 | 202 | 28 | 2 | 0 | NK,UA,DL |
| Jul 2025 | 199 | 38 | 3 | 0 | DL,UA,NK |
| Jun 2025 | 180 | 60 | 4 | 1 | DL,UA,NK |
| May 2025 | 176 | 44 | 1 | 0 | DL,NK,UA |
| Apr 2025 | 173 | 34 | 0 | 1 | DL,NK,UA |
| Mar 2025 | 193 | 32 | 0 | 0 | DL,UA,NK |
| Feb 2025 | 175 | 43 | 0 | 0 | UA,DL,NK |
| Jan 2025 | 208 | 50 | 8 | 0 | UA,DL,NK |
| Dec 2024 | 223 | 46 | 1 | 0 | DL,NK,UA |
| Nov 2024 | 216 | 35 | 0 | 0 | UA,NK,DL |
| Oct 2024 | 224 | 28 | 0 | 0 | UA,DL,NK |
| Sep 2024 | 228 | 40 | 0 | 0 | UA,DL,NK |
| Aug 2024 | 239 | 59 | 1 | 0 | DL,NK,UA |
| Jul 2024 | 209 | 84 | 16 | 0 | DL,NK,OO,UA |
| Jun 2024 | 227 | 44 | 2 | 4 | DL,NK,UA |
| May 2024 | 212 | 81 | 4 | 4 | DL,NK,UA |
| Apr 2024 | 187 | 41 | 1 | 1 | DL,NK,OO,UA |
| Mar 2024 | 172 | 27 | 0 | 1 | DL,NK,OO,UA |
| Feb 2024 | 154 | 15 | 0 | 0 | DL,NK,OO,UA |
| Jan 2024 | 160 | 40 | 6 | 2 | DL,NK,UA |
Cancellation Rate
1.2%
55 of 4,667 flights
Diversion Rate
0.3%
14 of 4,667 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
DTW - Detroit
Full on-time, delay-cause, and seasonal performance for Detroit, MI.
Origin airport →IAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
Destination airport →Compare the two airports
See DTW 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 DTW–IAH.
Routes with a similar on-time rate
What the Data Says About DTW to IAH
14,639 tracked flights put the DTW to IAH pairing (Detroit to Houston) at a 80.8% on-time rate, squarely in line with the wider network. Delays that do occur run 71.5 minutes on average. Across the 1,075-mile route and its 34 carriers, the trailing 24 months show 1.2% cancelled and 0.3% diverted (4,667 flights sampled).
The monthly split is wide on this route: Sep 2025 posted the strongest performance at 94% on-time, while Jul 2024 came in at just 60% - a 35-point swing worth factoring into travel timing.
Frequently Asked Questions
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Flight Guides
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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.