Route · SMF → IAH · 2020–2025 BTS data
Sacramento to Houston
The SMF–IAH corridor (Sacramento, CA → Houston, TX) runs ahead of the national average, served by 5 carriers across roughly 1,609 miles.
Data updated 2026-06-13
- 89%
- On-time
- +10 pts
- vs US avg
- 77 min
- Delay when late
- 2,924
- Flights
Cancelled
1.1%
Best Month
Sep 2025 97%
Worst Month
Jul 2024 78%
Distance
1,609 mi
Carriers
5
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 46 | 5 | 0 | 0 | UA |
| Nov 2025 | 60 | 3 | 0 | 0 | UA |
| Oct 2025 | 55 | 5 | 0 | 1 | UA |
| Sep 2025 | 58 | 2 | 0 | 0 | UA |
| Aug 2025 | 60 | 11 | 0 | 1 | UA |
| Jul 2025 | 61 | 12 | 0 | 0 | UA |
| Jun 2025 | 60 | 11 | 1 | 2 | UA |
| May 2025 | 59 | 8 | 0 | 0 | UA |
| Apr 2025 | 56 | 2 | 0 | 1 | UA |
| Mar 2025 | 54 | 2 | 0 | 0 | UA |
| Feb 2025 | 50 | 4 | 0 | 0 | UA |
| Jan 2025 | 48 | 6 | 1 | 0 | UA |
| Dec 2024 | 44 | 6 | 1 | 0 | UA |
| Nov 2024 | 50 | 9 | 0 | 0 | UA |
| Oct 2024 | 54 | 5 | 0 | 0 | UA |
| Sep 2024 | 54 | 2 | 0 | 0 | UA |
| Aug 2024 | 59 | 9 | 0 | 0 | UA |
| Jul 2024 | 58 | 13 | 4 | 2 | UA |
| Jun 2024 | 60 | 10 | 0 | 1 | UA |
| May 2024 | 61 | 13 | 0 | 0 | UA |
| Apr 2024 | 30 | 2 | 1 | 0 | UA |
| Mar 2024 | 31 | 1 | 0 | 0 | UA |
| Jan 2024 | 31 | 2 | 5 | 0 | UA |
| Dec 2023 | 32 | 2 | 0 | 0 | UA |
Cancellation Rate
1.1%
13 of 1,231 flights
Diversion Rate
0.6%
8 of 1,231 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SMF - Sacramento
Full on-time, delay-cause, and seasonal performance for Sacramento, CA.
Origin airport →IAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
Destination airport →Compare the two airports
See SMF 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 SMF–IAH.
Routes with a similar on-time rate
What the Data Says About SMF to IAH
Sacramento to Houston (SMF to IAH) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 89% on-time rate across 2,924 flights, with delays that do happen averaging 77.2 minutes. The corridor runs roughly 1,609 miles and is served by 5 carriers. Over the most recent 24 months, 13 of 1,231 flights were cancelled (1.1%) and 8 diverted (0.6%).
The monthly split is wide on this route: Sep 2025 posted the strongest performance at 97% on-time, while Jul 2024 came in at just 78% - a 19-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from SMF to IAH? ▼
What is the cancellation rate for SMF to IAH? ▼
How far is the flight from SMF to IAH? ▼
When is the best time to fly from SMF to IAH? ▼
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.