Route · SAN → HOU · 2020–2025 BTS data
San Diego to Houston
The SAN–HOU corridor (San Diego, CA → Houston, TX) runs ahead of the national average, served by 1 carrier across roughly 1,313 miles.
Data updated 2026-06-13
- 82.5%
- On-time
- +3.5 pts
- vs US avg
- 57 min
- Delay when late
- 4,702
- Flights
Cancelled
0.8%
Best Month
Feb 2025 91%
Worst Month
Dec 2024 56%
Distance
1,313 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 91 | 19 | 1 | 0 | WN |
| Nov 2025 | 86 | 20 | 3 | 0 | WN |
| Oct 2025 | 87 | 25 | 0 | 0 | WN |
| Sep 2025 | 60 | 6 | 0 | 0 | WN |
| Aug 2025 | 65 | 16 | 0 | 0 | WN |
| Jul 2025 | 88 | 32 | 0 | 0 | WN |
| Jun 2025 | 82 | 28 | 0 | 1 | WN |
| May 2025 | 56 | 19 | 0 | 1 | WN |
| Apr 2025 | 61 | 18 | 0 | 0 | WN |
| Mar 2025 | 76 | 16 | 0 | 0 | WN |
| Feb 2025 | 56 | 5 | 0 | 0 | WN |
| Jan 2025 | 64 | 7 | 3 | 0 | WN |
| Dec 2024 | 71 | 31 | 2 | 0 | WN |
| Nov 2024 | 64 | 14 | 0 | 0 | WN |
| Oct 2024 | 74 | 23 | 1 | 0 | WN |
| Sep 2024 | 60 | 9 | 0 | 0 | WN |
| Aug 2024 | 66 | 17 | 0 | 0 | WN |
| Jul 2024 | 91 | 34 | 3 | 1 | WN |
| Jun 2024 | 87 | 26 | 0 | 1 | WN |
| May 2024 | 71 | 24 | 1 | 2 | WN |
| Apr 2024 | 72 | 15 | 0 | 0 | WN |
| Mar 2024 | 78 | 16 | 0 | 0 | WN |
| Feb 2024 | 49 | 8 | 0 | 0 | WN |
| Jan 2024 | 57 | 11 | 0 | 0 | WN |
Cancellation Rate
0.8%
14 of 1,712 flights
Diversion Rate
0.4%
6 of 1,712 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SAN - San Diego
Full on-time, delay-cause, and seasonal performance for San Diego, CA.
Origin airport →HOU - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
Destination airport →Compare the two airports
See SAN and HOU side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to SAN–HOU.
Routes with a similar on-time rate
What the Data Says About SAN to HOU
Bureau of Transportation Statistics records show San Diego to Houston (SAN to HOU) running a 82.5% on-time rate over 4,702 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 56.8 minutes. The 1,313-mile corridor is served by 1 carrier, and over the last 24 months 0.8% of 1,712 flights were cancelled, 0.4% diverted.
The monthly split is wide on this route: Feb 2025 posted the strongest performance at 91% on-time, while Dec 2024 came in at just 56% - a 35-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.