Route · IAH → BNA · 2020–2025 BTS data
Houston to Nashville
The IAH–BNA corridor (Houston, TX → Nashville, TN) runs ahead of the national average, served by 24 carriers across roughly 657 miles.
Data updated 2026-06-13
- 81.7%
- On-time
- +2.7 pts
- vs US avg
- 74 min
- Delay when late
- 12,757
- Flights
Cancelled
1.7%
Best Month
Feb 2024 92%
Worst Month
Jul 2025 62%
Distance
657 mi
Carriers
24
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 117 | 30 | 0 | 0 | UA,OO |
| Nov 2025 | 102 | 32 | 0 | 0 | OO,UA |
| Oct 2025 | 108 | 27 | 0 | 0 | OO,UA |
| Sep 2025 | 109 | 19 | 0 | 1 | UA,OO |
| Aug 2025 | 116 | 33 | 0 | 1 | OO,NK,UA |
| Jul 2025 | 118 | 45 | 2 | 1 | NK,OO,UA |
| Jun 2025 | 147 | 53 | 7 | 1 | OO,UA,NK |
| May 2025 | 142 | 27 | 3 | 1 | OO,UA,NK |
| Apr 2025 | 100 | 19 | 1 | 0 | NK,OO,UA |
| Mar 2025 | 114 | 24 | 1 | 0 | OO,UA,NK |
| Feb 2025 | 88 | 15 | 0 | 0 | OO,UA |
| Jan 2025 | 103 | 14 | 9 | 0 | OO,UA |
| Dec 2024 | 105 | 26 | 1 | 0 | OO,UA |
| Nov 2024 | 136 | 19 | 0 | 0 | OO,UA |
| Oct 2024 | 176 | 25 | 0 | 0 | UA,OO |
| Sep 2024 | 143 | 24 | 0 | 0 | OO,UA |
| Aug 2024 | 133 | 29 | 0 | 0 | WN,OO,UA |
| Jul 2024 | 193 | 67 | 10 | 0 | OO,UA,WN |
| Jun 2024 | 184 | 57 | 2 | 1 | OO,UA,WN |
| May 2024 | 212 | 76 | 8 | 2 | OO,UA,WN |
| Apr 2024 | 181 | 34 | 0 | 0 | OO,UA,WN |
| Mar 2024 | 187 | 31 | 1 | 0 | OO,UA,WN |
| Feb 2024 | 152 | 12 | 0 | 0 | OO,UA,WN |
| Jan 2024 | 193 | 44 | 12 | 0 | WN,OO,UA |
Cancellation Rate
1.7%
57 of 3,359 flights
Diversion Rate
0.2%
8 of 3,359 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 →BNA - Nashville
Full on-time, delay-cause, and seasonal performance for Nashville, TN.
Destination airport →Compare the two airports
See IAH and BNA 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–BNA.
Routes with a similar on-time rate
What the Data Says About IAH to BNA
12,757 tracked flights put the IAH to BNA pairing (Houston to Nashville) at a 81.7% on-time rate, squarely in line with the wider network. Delays that do occur run 74.1 minutes on average. Across the 657-mile route and its 24 carriers, the trailing 24 months show 1.7% cancelled and 0.2% diverted (3,359 flights sampled).
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 92% on-time, while Jul 2025 came in at just 62% - a 30-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from IAH to BNA? ▼
What is the cancellation rate for IAH to BNA? ▼
How far is the flight from IAH to BNA? ▼
When is the best time to fly from IAH to BNA? ▼
Flight Guides
Tips and data-driven advice for choosing reliable routes.
Explore PlainFlights
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.