Route · SEA → SNA · 2020–2025 BTS data
Seattle to Santa Ana
The SEA–SNA corridor (Seattle, WA → Santa Ana, CA) runs ahead of the national average, served by 16 carriers across roughly 978 miles.
Data updated 2026-06-13
- 85.4%
- On-time
- +6.4 pts
- vs US avg
- 59 min
- Delay when late
- 20,942
- Flights
Cancelled
0.9%
Best Month
Jan 2025 90%
Worst Month
Dec 2025 79%
Distance
978 mi
Carriers
16
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 319 | 67 | 3 | 1 | DL,AS,OO |
| Nov 2025 | 330 | 51 | 3 | 0 | OO,DL,AS |
| Oct 2025 | 341 | 60 | 6 | 2 | AS,DL,OO |
| Sep 2025 | 330 | 39 | 2 | 0 | OO,DL,AS |
| Aug 2025 | 359 | 69 | 1 | 0 | OO,AS,DL |
| Jul 2025 | 378 | 75 | 9 | 0 | AS,DL,OO |
| Jun 2025 | 359 | 73 | 1 | 0 | AS,DL,OO |
| May 2025 | 348 | 66 | 1 | 0 | AS,DL,OO |
| Apr 2025 | 304 | 37 | 1 | 1 | DL,OO,AS |
| Mar 2025 | 290 | 35 | 1 | 1 | AS,DL |
| Feb 2025 | 260 | 45 | 9 | 2 | AS,DL |
| Jan 2025 | 300 | 31 | 1 | 7 | AS,DL |
| Dec 2024 | 315 | 52 | 0 | 4 | AS,DL |
| Nov 2024 | 327 | 38 | 0 | 0 | AS,DL |
| Oct 2024 | 348 | 39 | 0 | 1 | AS,DL |
| Sep 2024 | 343 | 42 | 2 | 0 | AS,DL |
| Aug 2024 | 357 | 53 | 4 | 0 | AS,DL,OO |
| Jul 2024 | 351 | 42 | 9 | 0 | AS,DL |
| Jun 2024 | 332 | 45 | 6 | 1 | AS,DL |
| May 2024 | 338 | 38 | 4 | 0 | AS,DL |
| Apr 2024 | 311 | 39 | 1 | 1 | AS,DL |
| Mar 2024 | 310 | 46 | 1 | 1 | AS,DL |
| Feb 2024 | 311 | 50 | 2 | 0 | AS,DL |
| Jan 2024 | 339 | 56 | 3 | 0 | AS,DL |
Cancellation Rate
0.9%
70 of 7,900 flights
Diversion Rate
0.3%
22 of 7,900 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 →SNA - Santa Ana
Full on-time, delay-cause, and seasonal performance for Santa Ana, CA.
Destination airport →Compare the two airports
See SEA and SNA 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–SNA.
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What the Data Says About SEA to SNA
Seattle to Santa Ana (SEA to SNA) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85.4% on-time rate across 20,942 flights, with delays that do happen averaging 58.5 minutes. The corridor runs roughly 978 miles and is served by 16 carriers. Over the most recent 24 months, 70 of 7,900 flights were cancelled (0.9%) and 22 diverted (0.3%).
Monthly performance varies moderately here: Jan 2025 was the strongest month at 90% on-time versus Dec 2025 at 79%, a 11-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.