Route · SAN → HOU · 2020–2025 BTS data
San Diego to Houston
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SAN to HOU (San Diego to Houston) ranks #2581 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 82.5%
- On-time
- +3.5 pts
- vs US avg
- 57 min
- Delay when late
- 4,702
- Flights
- #2581 of 4927
- Corpus placement
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 |
SAN–HOU seasonal on-time pattern
Best: January (88.6%) · weakest: July (74.5%)
Strongest calendar month
January
88.6% on-time · ~60 flights/mo
Busiest calendar month
July
~78 flights/mo avg
Weakest calendar month
July
74.5% on-time · ~78 flights/mo
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.
SAN on-time profileHOU - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
HOU on-time profileCompare the two airports
See SAN and HOU side by side on delays, cancellations, and reliability.
Compare SAN vs HOUOrigin-hub reliability standing
Mid-pack among SAN departures
From SAN, this corridor sits with 34 other 75–85% on-time routes out of 51 tracked departures, not the hub's reliability leaders (13 at ≥85%) and not the softest ( 4 below 75%). Destination: Houston · fleet on-time rank #2164 of 4927.
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.
On the multi-year calendar, SAN–HOU peaks in January at 88.6% on-time while July carries the heaviest traffic (~78 flights per month) ; the softest month is July at 74.5%, a 14.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does SAN to HOU rank among US routes by traffic? ▼
How often are flights delayed from SAN to HOU? ▼
What is the cancellation rate for SAN to HOU? ▼
How far is the flight from SAN to HOU? ▼
When is the best time to fly from SAN to HOU? ▼
Airports on this route
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.
Using SAN–HOU data
SAN–HOU runs 3.5 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare SAN and HOU airport profiles: delay causes and top routes differ even on the same corridor. SAN airport
- If your dates flex, January (88.6% on-time) beats July (74.5%) on this corridor. Seasonal chart
- 4 other routes post a similar 82.5% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.