Route · IAH → DAL · 2020–2025 BTS data
Houston to Dallas
The IAH–DAL corridor (Houston, TX → Dallas, TX) runs ahead of the national average, served by 1 carrier across roughly 216 miles.
Data updated 2026-06-13
- 83.7%
- On-time
- +4.7 pts
- vs US avg
- 68 min
- Delay when late
- 5,378
- Flights
Cancelled
3.1%
Best Month
Feb 2024 94%
Worst Month
May 2024 65%
Distance
216 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Jul 2024 | 83 | 20 | 2 | 0 | WN |
| Jun 2024 | 81 | 20 | 0 | 0 | WN |
| May 2024 | 89 | 31 | 4 | 0 | WN |
| Apr 2024 | 85 | 14 | 2 | 0 | WN |
| Mar 2024 | 84 | 15 | 0 | 2 | WN |
| Feb 2024 | 83 | 5 | 1 | 0 | WN |
| Jan 2024 | 99 | 16 | 8 | 0 | WN |
| Dec 2023 | 128 | 13 | 0 | 0 | WN |
| Nov 2023 | 128 | 10 | 2 | 0 | WN |
| Oct 2023 | 137 | 15 | 2 | 0 | WN |
| Sep 2023 | 133 | 24 | 1 | 0 | WN |
| Aug 2023 | 143 | 11 | 2 | 0 | WN |
| Jul 2023 | 134 | 28 | 0 | 0 | WN |
| Jun 2023 | 131 | 25 | 4 | 1 | WN |
| May 2023 | 139 | 18 | 2 | 0 | WN |
| Apr 2023 | 132 | 19 | 7 | 0 | WN |
| Mar 2023 | 143 | 18 | 2 | 0 | WN |
| Feb 2023 | 128 | 21 | 6 | 0 | WN |
| Jan 2023 | 142 | 16 | 10 | 0 | WN |
| Dec 2022 | 134 | 20 | 21 | 0 | WN |
| Nov 2022 | 136 | 17 | 3 | 0 | WN |
| Oct 2022 | 131 | 18 | 5 | 1 | WN |
| Sep 2022 | 131 | 14 | 2 | 0 | WN |
| Aug 2022 | 147 | 30 | 3 | 1 | WN |
Cancellation Rate
3.1%
89 of 2,901 flights
Diversion Rate
0.2%
5 of 2,901 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 →DAL - Dallas
Full on-time, delay-cause, and seasonal performance for Dallas, TX.
Destination airport →Compare the two airports
See IAH and DAL 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–DAL.
Routes with a similar on-time rate
What the Data Says About IAH to DAL
Bureau of Transportation Statistics records show Houston to Dallas (IAH to DAL) running a 83.7% on-time rate over 5,378 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 67.7 minutes. The 216-mile corridor is served by 1 carrier, and over the last 24 months 3.1% of 2,901 flights were cancelled, 0.2% diverted.
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 94% on-time, while May 2024 came in at just 65% - a 29-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.