Route · TUS → IAH · 2020–2025 BTS data
Tucson to Houston
The TUS–IAH corridor (Tucson, AZ → Houston, TX) runs ahead of the national average, served by 15 carriers across roughly 936 miles.
Data updated 2026-06-13
- 89.6%
- On-time
- +10.6 pts
- vs US avg
- 98 min
- Delay when late
- 3,753
- Flights
Cancelled
1.4%
Best Month
Nov 2023 95%
Worst Month
Jan 2024 78%
Distance
936 mi
Carriers
15
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| May 2025 | 39 | 4 | 1 | 0 | UA |
| Apr 2025 | 56 | 6 | 0 | 0 | OO,UA |
| Mar 2025 | 62 | 7 | 0 | 0 | OO,UA |
| Feb 2025 | 56 | 10 | 0 | 0 | OO,UA |
| Jan 2025 | 56 | 5 | 4 | 0 | OO,UA |
| Dec 2024 | 43 | 6 | 0 | 0 | UA |
| Oct 2024 | 52 | 3 | 0 | 0 | UA,OO |
| Sep 2024 | 48 | 6 | 0 | 0 | OO,UA |
| Aug 2024 | 55 | 5 | 1 | 0 | OO |
| Jul 2024 | 56 | 10 | 3 | 0 | OO |
| Jun 2024 | 32 | 6 | 0 | 1 | OO |
| May 2024 | 53 | 10 | 3 | 0 | OO,UA |
| Apr 2024 | 60 | 4 | 0 | 0 | OO,UA |
| Mar 2024 | 50 | 2 | 1 | 0 | OO,UA |
| Jan 2024 | 63 | 14 | 2 | 0 | OO,UA |
| Dec 2023 | 63 | 4 | 0 | 0 | OO,UA |
| Nov 2023 | 60 | 3 | 0 | 0 | OO,UA |
| Oct 2023 | 60 | 6 | 0 | 0 | OO,UA |
| Sep 2023 | 32 | 2 | 0 | 0 | OO,UA |
| Aug 2023 | 31 | 3 | 0 | 0 | OO |
| Jul 2023 | 36 | 9 | 0 | 0 | OO |
| Jun 2023 | 31 | 1 | 0 | 0 | OO |
| May 2023 | 59 | 7 | 1 | 3 | OO,UA |
| Apr 2023 | 31 | 0 | 0 | 0 | UA,OO |
Cancellation Rate
1.4%
16 of 1,184 flights
Diversion Rate
0.3%
4 of 1,184 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
TUS - Tucson
Full on-time, delay-cause, and seasonal performance for Tucson, AZ.
Origin airport →IAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
Destination airport →Compare the two airports
See TUS 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 TUS–IAH.
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What the Data Says About TUS to IAH
Tucson to Houston (TUS to IAH) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 89.6% on-time rate across 3,753 flights, with delays that do happen averaging 97.5 minutes. The corridor runs roughly 936 miles and is served by 15 carriers. Over the most recent 24 months, 16 of 1,184 flights were cancelled (1.4%) and 4 diverted (0.3%).
The monthly split is wide on this route: Nov 2023 posted the strongest performance at 95% on-time, while Jan 2024 came in at just 78% - a 17-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.