Route · BNA → IAH · 2020–2025 BTS data
Nashville to Houston
The BNA–IAH corridor (Nashville, TN → Houston, TX) runs ahead of the national average, served by 27 carriers across roughly 657 miles.
Data updated 2026-06-13
- 83.6%
- On-time
- +4.6 pts
- vs US avg
- 78 min
- Delay when late
- 12,682
- Flights
Cancelled
1.7%
Best Month
Sep 2025 95%
Worst Month
May 2024 64%
Distance
657 mi
Carriers
27
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 117 | 24 | 0 | 0 | UA,OO |
| Nov 2025 | 103 | 10 | 0 | 0 | OO,UA |
| Oct 2025 | 108 | 18 | 0 | 0 | OO,UA |
| Sep 2025 | 109 | 5 | 1 | 0 | UA,OO |
| Aug 2025 | 116 | 11 | 0 | 0 | OO,NK,UA |
| Jul 2025 | 118 | 32 | 2 | 0 | NK,OO,UA |
| Jun 2025 | 146 | 51 | 6 | 1 | NK,OO,UA |
| May 2025 | 142 | 20 | 3 | 0 | OO,UA,NK |
| Apr 2025 | 100 | 17 | 1 | 0 | NK,OO,UA |
| Mar 2025 | 113 | 14 | 1 | 0 | OO,UA,NK |
| Feb 2025 | 88 | 15 | 0 | 0 | OO,UA |
| Jan 2025 | 102 | 14 | 8 | 0 | OO,UA |
| Dec 2024 | 104 | 21 | 1 | 0 | OO,UA |
| Nov 2024 | 136 | 11 | 1 | 0 | OO,UA |
| Oct 2024 | 178 | 16 | 0 | 0 | UA,OO |
| Sep 2024 | 145 | 14 | 0 | 1 | OO,UA |
| Aug 2024 | 133 | 16 | 0 | 0 | WN,OO,UA |
| Jul 2024 | 193 | 62 | 11 | 0 | OO,UA,WN |
| Jun 2024 | 184 | 39 | 2 | 2 | OO,UA,WN |
| May 2024 | 212 | 77 | 7 | 1 | OO,UA,WN |
| Apr 2024 | 180 | 24 | 0 | 0 | OO,UA,WN |
| Mar 2024 | 185 | 27 | 0 | 3 | OO,UA,WN |
| Feb 2024 | 153 | 18 | 0 | 0 | NK,OO,UA,WN |
| Jan 2024 | 192 | 49 | 14 | 0 | WN,OO,UA |
Cancellation Rate
1.7%
58 of 3,357 flights
Diversion Rate
0.2%
8 of 3,357 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
BNA - Nashville
Full on-time, delay-cause, and seasonal performance for Nashville, TN.
Origin airport →IAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
Destination airport →Compare the two airports
See BNA 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 BNA–IAH.
Routes with a similar on-time rate
What the Data Says About BNA to IAH
Bureau of Transportation Statistics records show Nashville to Houston (BNA to IAH) running a 83.6% on-time rate over 12,682 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 77.5 minutes. The 657-mile corridor is served by 27 carriers, and over the last 24 months 1.7% of 3,357 flights were cancelled, 0.2% diverted.
The monthly split is wide on this route: Sep 2025 posted the strongest performance at 95% on-time, while May 2024 came in at just 64% - a 32-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.