Route · ONT → HOU · 2020–2025 BTS data
Ontario to Houston
The ONT–HOU corridor (Ontario, CA → Houston, TX) runs ahead of the national average, served by 1 carrier across roughly 1,345 miles.
Data updated 2026-06-13
- 84.5%
- On-time
- +5.5 pts
- vs US avg
- 56 min
- Delay when late
- 581
- Flights
Cancelled
0.9%
Best Month
N/A
Worst Month
N/A
Distance
1,345 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 31 | 11 | 0 | 0 | WN |
| Oct 2025 | 30 | 9 | 0 | 0 | WN |
| Sep 2025 | 30 | 1 | 0 | 0 | WN |
| Aug 2025 | 30 | 2 | 0 | 0 | WN |
| Jul 2025 | 31 | 9 | 0 | 0 | WN |
| Jun 2025 | 30 | 5 | 0 | 1 | WN |
| May 2025 | 31 | 8 | 0 | 0 | WN |
| Apr 2025 | 30 | 5 | 0 | 0 | WN |
| Mar 2025 | 31 | 3 | 0 | 1 | WN |
| Jan 2025 | 31 | 5 | 1 | 0 | WN |
| Dec 2024 | 31 | 8 | 0 | 0 | WN |
| Oct 2024 | 31 | 1 | 1 | 2 | WN |
| Aug 2024 | 31 | 3 | 0 | 0 | WN |
| Jul 2024 | 31 | 5 | 1 | 0 | WN |
| Jun 2024 | 30 | 3 | 0 | 0 | WN |
| May 2024 | 31 | 4 | 1 | 1 | WN |
| Apr 2024 | 30 | 2 | 0 | 0 | WN |
| Mar 2024 | 31 | 4 | 0 | 0 | WN |
| Jan 2024 | 30 | 2 | 1 | 0 | WN |
Cancellation Rate
0.9%
5 of 581 flights
Diversion Rate
0.9%
5 of 581 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ONT - Ontario
Full on-time, delay-cause, and seasonal performance for Ontario, CA.
Origin airport →HOU - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
Destination airport →Compare the two airports
See ONT 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 ONT–HOU.
Routes with a similar on-time rate
What the Data Says About ONT to HOU
Bureau of Transportation Statistics records show Ontario to Houston (ONT to HOU) running a 84.5% on-time rate over 581 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 56.3 minutes. The 1,345-mile corridor is served by 1 carrier, and over the last 24 months 0.9% of 581 flights were cancelled, 0.9% diverted.
Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.
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.