Route · SEA → SMF · 2020–2025 BTS data
Seattle to Sacramento
The SEA–SMF corridor (Seattle, WA → Sacramento, CA) runs ahead of the national average, served by 23 carriers across roughly 605 miles.
Data updated 2026-06-13
- 82.3%
- On-time
- +3.3 pts
- vs US avg
- 57 min
- Delay when late
- 24,311
- Flights
Cancelled
0.5%
Best Month
Feb 2024 87%
Worst Month
Jun 2024 70%
Distance
605 mi
Carriers
23
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 294 | 78 | 1 | 0 | WN,AS,OO |
| Nov 2025 | 350 | 55 | 2 | 1 | OO,AS,WN |
| Oct 2025 | 375 | 56 | 3 | 0 | AS,OO,WN |
| Sep 2025 | 398 | 63 | 1 | 0 | WN,OO,AS |
| Aug 2025 | 427 | 96 | 1 | 0 | OO,WN,AS |
| Jul 2025 | 455 | 120 | 3 | 0 | AS,OO,WN |
| Jun 2025 | 430 | 115 | 0 | 0 | AS,OO,WN |
| May 2025 | 380 | 83 | 2 | 0 | AS,OO,WN |
| Apr 2025 | 318 | 54 | 0 | 0 | OO,WN,AS |
| Mar 2025 | 312 | 54 | 1 | 0 | AS,OO,WN |
| Feb 2025 | 266 | 59 | 4 | 0 | AS,OO,WN |
| Jan 2025 | 293 | 44 | 0 | 0 | AS,OO,WN |
| Dec 2024 | 252 | 46 | 0 | 0 | AS,OO,WN |
| Nov 2024 | 304 | 42 | 2 | 0 | OO,WN,AS |
| Oct 2024 | 386 | 68 | 3 | 0 | AS,OO,WN |
| Sep 2024 | 415 | 84 | 4 | 0 | WN,OO,AS |
| Aug 2024 | 425 | 114 | 0 | 0 | AS,WN,OO |
| Jul 2024 | 417 | 97 | 1 | 0 | AS,OO,WN |
| Jun 2024 | 362 | 107 | 1 | 0 | AS,OO,WN |
| May 2024 | 358 | 79 | 0 | 0 | AS,DL,OO,WN |
| Apr 2024 | 305 | 52 | 0 | 0 | AS,DL,OO,WN |
| Mar 2024 | 288 | 44 | 0 | 0 | AS,DL,OO,WN |
| Feb 2024 | 283 | 37 | 0 | 0 | AS,DL,OO,WN |
| Jan 2024 | 324 | 69 | 10 | 0 | AS,DL,WN,OO |
Cancellation Rate
0.5%
39 of 8,417 flights
Diversion Rate
0.0%
1 of 8,417 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SEA - Seattle
Full on-time, delay-cause, and seasonal performance for Seattle, WA.
Origin airport →SMF - Sacramento
Full on-time, delay-cause, and seasonal performance for Sacramento, CA.
Destination airport →Compare the two airports
See SEA and SMF side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to SEA–SMF.
Routes with a similar on-time rate
What the Data Says About SEA to SMF
Bureau of Transportation Statistics records show Seattle to Sacramento (SEA to SMF) running a 82.3% on-time rate over 24,311 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 56.7 minutes. The 605-mile corridor is served by 23 carriers, and over the last 24 months 0.5% of 8,417 flights were cancelled, 0.0% diverted.
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 87% on-time, while Jun 2024 came in at just 70% - a 17-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.