Route · SMF → STL · 2020–2025 BTS data
Sacramento to St. Louis
The SMF–STL corridor (Sacramento, CA → St. Louis, MO) runs ahead of the national average, served by 1 carrier across roughly 1,679 miles.
Data updated 2026-06-13
- 87.6%
- On-time
- +8.6 pts
- vs US avg
- 51 min
- Delay when late
- 1,295
- Flights
Cancelled
0.1%
Best Month
N/A
Worst Month
N/A
Distance
1,679 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 31 | 7 | 0 | 0 | WN |
| Oct 2025 | 31 | 5 | 0 | 0 | WN |
| Sep 2025 | 30 | 6 | 0 | 0 | WN |
| Aug 2025 | 31 | 3 | 0 | 0 | WN |
| Jul 2025 | 31 | 3 | 0 | 0 | WN |
| Jun 2025 | 30 | 3 | 0 | 0 | WN |
| May 2025 | 31 | 4 | 0 | 0 | WN |
| Apr 2025 | 30 | 4 | 0 | 0 | WN |
| Dec 2024 | 31 | 10 | 0 | 0 | WN |
| Oct 2024 | 31 | 4 | 0 | 0 | WN |
| Sep 2024 | 34 | 1 | 0 | 0 | WN |
| Aug 2024 | 34 | 3 | 0 | 0 | WN |
| Jul 2024 | 31 | 10 | 0 | 0 | WN |
| Jun 2024 | 30 | 4 | 0 | 0 | WN |
| May 2024 | 31 | 2 | 0 | 0 | WN |
| Apr 2024 | 30 | 4 | 0 | 1 | WN |
| Mar 2024 | 31 | 4 | 0 | 0 | WN |
| Jan 2024 | 31 | 0 | 1 | 1 | WN |
| Dec 2023 | 31 | 4 | 0 | 0 | WN |
| Nov 2023 | 30 | 3 | 0 | 0 | WN |
| Oct 2023 | 31 | 5 | 0 | 1 | WN |
| Sep 2023 | 30 | 5 | 0 | 0 | WN |
| Aug 2023 | 31 | 2 | 0 | 0 | WN |
| Jul 2023 | 31 | 5 | 0 | 0 | WN |
Cancellation Rate
0.1%
1 of 743 flights
Diversion Rate
0.4%
3 of 743 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 →STL - St. Louis
Full on-time, delay-cause, and seasonal performance for St. Louis, MO.
Destination airport →Compare the two airports
See SMF and STL 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–STL.
Routes with a similar on-time rate
What the Data Says About SMF to STL
Sacramento to St. Louis (SMF to STL) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 87.6% on-time rate across 1,295 flights, with delays that do happen averaging 50.5 minutes. The corridor runs roughly 1,679 miles and is served by 1 carrier. Over the most recent 24 months, 1 of 743 flights were cancelled (0.1%) and 3 diverted (0.4%).
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
How often are flights delayed from SMF to STL? ▼
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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.