Route · SMF → ONT · 2020–2025 BTS data
Sacramento to Ontario
The SMF–ONT corridor (Sacramento, CA → Ontario, CA) runs ahead of the national average, served by 3 carriers across roughly 390 miles.
Data updated 2026-06-13
- 86.3%
- On-time
- +7.3 pts
- vs US avg
- 59 min
- Delay when late
- 10,958
- Flights
Cancelled
0.3%
Best Month
Jan 2024 96%
Worst Month
Jun 2024 77%
Distance
390 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 179 | 35 | 1 | 1 | WN |
| Nov 2025 | 178 | 24 | 0 | 1 | WN |
| Oct 2025 | 181 | 27 | 0 | 1 | WN |
| Sep 2025 | 177 | 19 | 0 | 0 | WN |
| Aug 2025 | 178 | 18 | 2 | 0 | WN |
| Jul 2025 | 179 | 23 | 0 | 0 | WN |
| Jun 2025 | 176 | 38 | 1 | 0 | WN |
| May 2025 | 185 | 24 | 0 | 0 | WN |
| Apr 2025 | 182 | 24 | 0 | 0 | WN |
| Mar 2025 | 176 | 24 | 0 | 0 | WN |
| Feb 2025 | 149 | 14 | 0 | 0 | WN |
| Jan 2025 | 156 | 10 | 2 | 1 | WN,F9 |
| Dec 2024 | 167 | 26 | 0 | 0 | F9,WN |
| Nov 2024 | 173 | 18 | 0 | 0 | WN,F9 |
| Oct 2024 | 193 | 20 | 1 | 0 | WN,F9 |
| Sep 2024 | 184 | 17 | 1 | 0 | WN,F9 |
| Aug 2024 | 187 | 16 | 1 | 0 | F9,WN |
| Jul 2024 | 165 | 33 | 1 | 0 | F9,WN |
| Jun 2024 | 143 | 33 | 0 | 0 | WN |
| May 2024 | 156 | 28 | 1 | 0 | WN |
| Apr 2024 | 154 | 25 | 0 | 0 | WN |
| Mar 2024 | 154 | 19 | 0 | 0 | WN |
| Feb 2024 | 129 | 15 | 1 | 0 | WN |
| Jan 2024 | 141 | 6 | 0 | 0 | WN |
Cancellation Rate
0.3%
12 of 4,042 flights
Diversion Rate
0.1%
4 of 4,042 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SMF - Sacramento
Full on-time, delay-cause, and seasonal performance for Sacramento, CA.
Origin airport →ONT - Ontario
Full on-time, delay-cause, and seasonal performance for Ontario, CA.
Destination airport →Compare the two airports
See SMF and ONT side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to SMF–ONT.
Routes with a similar on-time rate
What the Data Says About SMF to ONT
Sacramento to Ontario (SMF to ONT) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.3% on-time rate across 10,958 flights, with delays that do happen averaging 58.7 minutes. The corridor runs roughly 390 miles and is served by 3 carriers. Over the most recent 24 months, 12 of 4,042 flights were cancelled (0.3%) and 4 diverted (0.1%).
The monthly split is wide on this route: Jan 2024 posted the strongest performance at 96% on-time, while Jun 2024 came in at just 77% - a 19-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.