Route · ONT → SMF · 2020–2025 BTS data
Ontario to Sacramento
The ONT–SMF corridor (Ontario, CA → Sacramento, CA) runs ahead of the national average, served by 3 carriers across roughly 390 miles.
Data updated 2026-06-13
- 87.7%
- On-time
- +8.7 pts
- vs US avg
- 57 min
- Delay when late
- 10,949
- Flights
Cancelled
0.2%
Best Month
Sep 2025 93%
Worst Month
Jan 2024 81%
Distance
390 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 179 | 26 | 0 | 0 | WN |
| Nov 2025 | 178 | 18 | 1 | 1 | WN |
| Oct 2025 | 181 | 33 | 0 | 0 | WN |
| Sep 2025 | 177 | 12 | 0 | 0 | WN |
| Aug 2025 | 178 | 13 | 1 | 0 | WN |
| Jul 2025 | 178 | 24 | 0 | 0 | WN |
| Jun 2025 | 176 | 30 | 1 | 0 | WN |
| May 2025 | 184 | 28 | 0 | 0 | WN |
| Apr 2025 | 182 | 22 | 0 | 0 | WN |
| Mar 2025 | 179 | 16 | 0 | 1 | WN |
| Feb 2025 | 141 | 11 | 0 | 0 | WN |
| Jan 2025 | 156 | 16 | 2 | 0 | WN,F9 |
| Dec 2024 | 167 | 21 | 0 | 0 | F9,WN |
| Nov 2024 | 174 | 21 | 1 | 0 | WN,F9 |
| Oct 2024 | 193 | 17 | 0 | 0 | WN,F9 |
| Sep 2024 | 184 | 15 | 1 | 0 | WN,F9 |
| Aug 2024 | 188 | 14 | 1 | 0 | F9,WN |
| Jul 2024 | 165 | 29 | 1 | 0 | F9,WN |
| Jun 2024 | 142 | 25 | 0 | 0 | WN |
| May 2024 | 153 | 20 | 0 | 0 | WN |
| Apr 2024 | 151 | 20 | 0 | 0 | WN |
| Mar 2024 | 152 | 23 | 0 | 0 | WN |
| Feb 2024 | 121 | 12 | 1 | 0 | WN |
| Jan 2024 | 133 | 25 | 0 | 0 | WN |
Cancellation Rate
0.2%
10 of 4,012 flights
Diversion Rate
0.0%
2 of 4,012 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 →SMF - Sacramento
Full on-time, delay-cause, and seasonal performance for Sacramento, CA.
Destination airport →Compare the two airports
See ONT and SMF 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–SMF.
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What the Data Says About ONT to SMF
Ontario to Sacramento (ONT to SMF) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 87.7% on-time rate across 10,949 flights, with delays that do happen averaging 56.6 minutes. The corridor runs roughly 390 miles and is served by 3 carriers. Over the most recent 24 months, 10 of 4,012 flights were cancelled (0.2%) and 2 diverted (0.0%).
Monthly performance varies moderately here: Sep 2025 was the strongest month at 93% on-time versus Jan 2024 at 81%, a 12-point difference.
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.