Route · SNA → IAH · 2020–2025 BTS data
Santa Ana to Houston
The SNA–IAH corridor (Santa Ana, CA → Houston, TX) runs ahead of the national average, served by 1 carrier across roughly 1,346 miles.
Data updated 2026-06-13
- 88.2%
- On-time
- +9.2 pts
- vs US avg
- 79 min
- Delay when late
- 6,837
- Flights
Cancelled
0.8%
Best Month
Oct 2025 97%
Worst Month
Jul 2024 73%
Distance
1,346 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 93 | 10 | 0 | 0 | UA |
| Nov 2025 | 89 | 13 | 0 | 0 | UA |
| Oct 2025 | 93 | 3 | 0 | 1 | UA |
| Sep 2025 | 90 | 7 | 0 | 0 | UA |
| Aug 2025 | 93 | 17 | 0 | 0 | UA |
| Jul 2025 | 93 | 20 | 1 | 3 | UA |
| Jun 2025 | 90 | 18 | 1 | 0 | UA |
| May 2025 | 93 | 19 | 0 | 0 | UA |
| Apr 2025 | 90 | 5 | 0 | 0 | UA |
| Mar 2025 | 118 | 8 | 0 | 0 | UA |
| Feb 2025 | 108 | 5 | 0 | 0 | UA |
| Jan 2025 | 120 | 12 | 4 | 0 | UA |
| Dec 2024 | 118 | 26 | 0 | 2 | UA |
| Nov 2024 | 89 | 9 | 0 | 0 | UA |
| Oct 2024 | 93 | 7 | 0 | 0 | UA |
| Sep 2024 | 90 | 4 | 0 | 0 | UA |
| Aug 2024 | 111 | 11 | 0 | 1 | UA |
| Jul 2024 | 124 | 33 | 7 | 1 | UA |
| Jun 2024 | 120 | 17 | 1 | 2 | UA |
| May 2024 | 101 | 22 | 2 | 1 | UA |
| Apr 2024 | 90 | 10 | 0 | 1 | UA |
| Mar 2024 | 119 | 5 | 0 | 1 | UA |
| Feb 2024 | 112 | 8 | 0 | 0 | UA |
| Jan 2024 | 113 | 6 | 4 | 1 | UA |
Cancellation Rate
0.8%
20 of 2,450 flights
Diversion Rate
0.6%
14 of 2,450 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SNA - Santa Ana
Full on-time, delay-cause, and seasonal performance for Santa Ana, CA.
Origin airport →IAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
Destination airport →Compare the two airports
See SNA 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 SNA–IAH.
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What the Data Says About SNA to IAH
Santa Ana to Houston (SNA to IAH) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 88.2% on-time rate across 6,837 flights, with delays that do happen averaging 78.9 minutes. The corridor runs roughly 1,346 miles and is served by 1 carrier. Over the most recent 24 months, 20 of 2,450 flights were cancelled (0.8%) and 14 diverted (0.6%).
The monthly split is wide on this route: Oct 2025 posted the strongest performance at 97% on-time, while Jul 2024 came in at just 73% - a 23-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.