Route · SMF → STL · 2020–2025 BTS data
Sacramento to St. Louis
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SMF to STL (Sacramento to St. Louis) ranks #4290 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 87.6%
- On-time
- +8.6 pts
- vs US avg
- 51 min
- Delay when late
- 1,295
- Flights
- #4290 of 4927
- Corpus placement
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 |
SMF–STL seasonal on-time pattern
Best: January (100.0%) · weakest: December (79.8%)
Strongest calendar month
January
100.0% on-time · ~31 flights/mo
Busiest calendar month
July
~35 flights/mo avg
Weakest calendar month
December
79.8% on-time · ~31 flights/mo
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.
SMF on-time profileSTL - St. Louis
Full on-time, delay-cause, and seasonal performance for St. Louis, MO.
STL on-time profileCompare the two airports
See SMF and STL side by side on delays, cancellations, and reliability.
Compare SMF vs STLOrigin-hub reliability standing
Among SMF's stronger departures
SMF → STL posts a 87.6% on-time rate, landing in the ≥85% band with 20 of 35 BTS-tracked routes leaving Sacramento. The same hub also shows 14 mid-band and 1 challenged departures · fleet-wide on-time rank #501 of 4927 (highest on-time = #1).
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.
On the multi-year calendar, SMF–STL peaks in January at 100.0% on-time while July carries the heaviest traffic (~35 flights per month) ; the softest month is December at 79.8%, a 20.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does SMF to STL rank among US routes by traffic? ▼
How often are flights delayed from SMF to STL? ▼
What is the cancellation rate for SMF to STL? ▼
How far is the flight from SMF to STL? ▼
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 SMF–STL data
SMF–STL runs 8.6 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare SMF and STL airport profiles: delay causes and top routes differ even on the same corridor. SMF airport
- If your dates flex, January (100.0% on-time) beats December (79.8%) on this corridor. Seasonal chart
- 4 other routes post a similar 87.6% 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.