Route · SBP → DEN · 2020–2025 BTS data
San Luis Obispo to Denver
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SBP to DEN (San Luis Obispo to Denver) ranks #2777 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 85%
- On-time
- +6 pts
- vs US avg
- 104 min
- Delay when late
- 4,285
- Flights
- #2777 of 4927
- Corpus placement
Cancelled
0.8%
Best Month
Apr 2025 95%
Worst Month
May 2025 73%
Distance
931 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 62 | 16 | 0 | 1 | UA,OO |
| Nov 2025 | 59 | 13 | 0 | 0 | OO,UA |
| Oct 2025 | 62 | 9 | 0 | 0 | OO,UA |
| Sep 2025 | 55 | 8 | 1 | 0 | UA,OO |
| Aug 2025 | 62 | 13 | 2 | 2 | OO,UA |
| Jul 2025 | 62 | 16 | 0 | 0 | OO,UA |
| Jun 2025 | 60 | 14 | 0 | 0 | OO,UA |
| May 2025 | 62 | 17 | 2 | 0 | OO,UA |
| Apr 2025 | 60 | 3 | 0 | 1 | OO,UA |
| Mar 2025 | 63 | 5 | 0 | 0 | OO,UA |
| Feb 2025 | 56 | 11 | 0 | 0 | OO,UA |
| Jan 2025 | 62 | 4 | 1 | 0 | OO,UA |
| Dec 2024 | 62 | 12 | 0 | 0 | OO,UA |
| Nov 2024 | 59 | 5 | 2 | 0 | OO,UA |
| Oct 2024 | 62 | 6 | 0 | 0 | UA,OO |
| Sep 2024 | 60 | 5 | 0 | 0 | OO,UA |
| Aug 2024 | 62 | 7 | 0 | 0 | OO,UA |
| Jul 2024 | 62 | 7 | 1 | 1 | OO,UA |
| Jun 2024 | 59 | 9 | 0 | 1 | OO,UA |
| May 2024 | 61 | 8 | 0 | 0 | OO,UA |
| Apr 2024 | 60 | 9 | 0 | 0 | OO,UA |
| Mar 2024 | 62 | 6 | 1 | 0 | OO,UA |
| Feb 2024 | 58 | 6 | 1 | 0 | OO,UA |
| Jan 2024 | 62 | 6 | 0 | 0 | OO,UA |
SBP–DEN seasonal on-time pattern
Best: April (88.8%) · weakest: December (80.7%)
Strongest calendar month
April
88.8% on-time · ~61 flights/mo
Busiest calendar month
January
~67 flights/mo avg
Weakest calendar month
December
80.7% on-time · ~64 flights/mo
Cancellation Rate
0.8%
11 of 1,454 flights
Diversion Rate
0.4%
6 of 1,454 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SBP - San Luis Obispo
Full on-time, delay-cause, and seasonal performance for San Luis Obispo, CA.
SBP on-time profileDEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
DEN on-time profileCompare the two airports
See SBP and DEN side by side on delays, cancellations, and reliability.
Compare SBP vs DENOrigin-hub reliability standing
Among SBP's stronger departures
SBP → DEN posts a 85% on-time rate, landing in the ≥85% band with 3 of 7 BTS-tracked routes leaving San Luis Obispo. The same hub also shows 4 mid-band and 0 challenged departures · fleet-wide on-time rank #1232 of 4927 (highest on-time = #1).
Similar routes
Other BTS-tracked routes with comparable performance or trip length to SBP–DEN.
Routes with a similar on-time rate
What the Data Says About SBP to DEN
San Luis Obispo to Denver (SBP to DEN) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85% on-time rate across 4,285 flights, with delays that do happen averaging 103.8 minutes. The corridor runs roughly 931 miles and is served by 3 carriers. Over the most recent 24 months, 11 of 1,454 flights were cancelled (0.8%) and 6 diverted (0.4%).
The monthly split is wide on this route: Apr 2025 posted the strongest performance at 95% on-time, while May 2025 came in at just 73% - a 22-point swing worth factoring into travel timing.
On the multi-year calendar, SBP–DEN peaks in April at 88.8% on-time while January carries the heaviest traffic (~67 flights per month) ; the softest month is December at 80.7%, a 8.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does SBP to DEN rank among US routes by traffic? ▼
How often are flights delayed from SBP to DEN? ▼
What is the cancellation rate for SBP to DEN? ▼
How far is the flight from SBP to DEN? ▼
When is the best time to fly from SBP to DEN? ▼
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 SBP–DEN data
SBP–DEN runs 6 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare SBP and DEN airport profiles: delay causes and top routes differ even on the same corridor. SBP airport
- If your dates flex, April (88.8% on-time) beats December (80.7%) on this corridor. Seasonal chart
- 4 other routes post a similar 85% 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.