Route · SBP → SEA · 2020–2025 BTS data
San Luis Obispo to Seattle
The SBP–SEA corridor (San Luis Obispo, CA → Seattle, WA) runs ahead of the national average, served by 6 carriers across roughly 847 miles.
Data updated 2026-06-13
- 85%
- On-time
- +6 pts
- vs US avg
- 67 min
- Delay when late
- 2,043
- Flights
Cancelled
0.7%
Best Month
Jul 2024 87%
Worst Month
Aug 2024 75%
Distance
847 mi
Carriers
6
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 31 | 10 | 1 | 0 | AS |
| Nov 2025 | 30 | 4 | 0 | 0 | AS |
| Oct 2025 | 31 | 5 | 1 | 0 | AS |
| Aug 2025 | 31 | 11 | 0 | 0 | AS |
| Jul 2025 | 31 | 9 | 0 | 0 | AS |
| Jun 2025 | 30 | 16 | 0 | 0 | AS |
| May 2025 | 31 | 15 | 0 | 1 | AS |
| Apr 2025 | 30 | 9 | 0 | 0 | AS |
| Mar 2025 | 31 | 4 | 0 | 0 | AS |
| Jan 2025 | 31 | 1 | 1 | 0 | AS |
| Dec 2024 | 31 | 4 | 0 | 0 | AS,OO |
| Nov 2024 | 30 | 3 | 1 | 0 | OO,AS |
| Oct 2024 | 31 | 9 | 0 | 0 | AS,OO |
| Sep 2024 | 55 | 8 | 1 | 0 | OO |
| Aug 2024 | 61 | 15 | 0 | 1 | OO |
| Jul 2024 | 62 | 8 | 0 | 0 | OO |
| Jun 2024 | 36 | 3 | 0 | 0 | OO |
| Apr 2024 | 39 | 6 | 1 | 1 | OO |
| Dec 2023 | 31 | 7 | 0 | 0 | OO |
| Nov 2023 | 30 | 6 | 0 | 0 | OO |
| Oct 2023 | 31 | 8 | 0 | 0 | OO |
| Sep 2023 | 30 | 4 | 0 | 0 | OO |
| Aug 2023 | 31 | 8 | 0 | 0 | OO |
| Jul 2023 | 31 | 3 | 0 | 0 | OO |
Cancellation Rate
0.7%
6 of 836 flights
Diversion Rate
0.4%
3 of 836 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.
Origin airport →SEA - Seattle
Full on-time, delay-cause, and seasonal performance for Seattle, WA.
Destination airport →Compare the two airports
See SBP and SEA side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to SBP–SEA.
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What the Data Says About SBP to SEA
San Luis Obispo to Seattle (SBP to SEA) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85% on-time rate across 2,043 flights, with delays that do happen averaging 66.9 minutes. The corridor runs roughly 847 miles and is served by 6 carriers. Over the most recent 24 months, 6 of 836 flights were cancelled (0.7%) and 3 diverted (0.4%).
Monthly performance varies moderately here: Jul 2024 was the strongest month at 87% on-time versus Aug 2024 at 75%, 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.