Route · AUS → SEA · 2020–2025 BTS data
Austin to Seattle
The AUS–SEA corridor (Austin, TX → Seattle, WA) runs ahead of the national average, served by 6 carriers across roughly 1,770 miles.
Data updated 2026-06-13
- 84.4%
- On-time
- +5.4 pts
- vs US avg
- 69 min
- Delay when late
- 10,171
- Flights
Cancelled
1.3%
Best Month
Feb 2024 91%
Worst Month
May 2024 68%
Distance
1,770 mi
Carriers
6
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 169 | 50 | 1 | 0 | DL,AS |
| Nov 2025 | 172 | 24 | 2 | 1 | DL,AS |
| Oct 2025 | 173 | 27 | 4 | 0 | AS,DL |
| Sep 2025 | 167 | 23 | 0 | 0 | DL,AS |
| Aug 2025 | 195 | 35 | 1 | 0 | AS,DL |
| Jul 2025 | 208 | 39 | 3 | 0 | AS,DL |
| Jun 2025 | 204 | 53 | 0 | 0 | AS,DL |
| May 2025 | 196 | 57 | 2 | 0 | AS,DL |
| Apr 2025 | 175 | 16 | 1 | 1 | DL,AS |
| Mar 2025 | 167 | 25 | 0 | 0 | AS,DL |
| Feb 2025 | 106 | 22 | 1 | 0 | AS,DL |
| Jan 2025 | 113 | 14 | 0 | 0 | AS,DL |
| Dec 2024 | 157 | 29 | 0 | 0 | AS,DL |
| Nov 2024 | 185 | 29 | 3 | 3 | AS,DL |
| Oct 2024 | 196 | 23 | 0 | 0 | AS,DL |
| Sep 2024 | 204 | 30 | 1 | 1 | AS,DL |
| Aug 2024 | 193 | 30 | 0 | 2 | AS,DL |
| Jul 2024 | 178 | 51 | 6 | 0 | AS,DL |
| Jun 2024 | 174 | 42 | 2 | 0 | AS,DL |
| May 2024 | 182 | 58 | 1 | 1 | AS,DL |
| Apr 2024 | 169 | 21 | 1 | 0 | AS,DL |
| Mar 2024 | 145 | 19 | 0 | 0 | AS,DL |
| Feb 2024 | 115 | 10 | 1 | 1 | AS,DL |
| Jan 2024 | 124 | 30 | 21 | 0 | AS,DL |
Cancellation Rate
1.3%
51 of 4,067 flights
Diversion Rate
0.2%
10 of 4,067 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
AUS - Austin
Full on-time, delay-cause, and seasonal performance for Austin, TX.
Origin airport →SEA - Seattle
Full on-time, delay-cause, and seasonal performance for Seattle, WA.
Destination airport →Compare the two airports
See AUS 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 AUS–SEA.
Routes with a similar on-time rate
What the Data Says About AUS to SEA
Bureau of Transportation Statistics records show Austin to Seattle (AUS to SEA) running a 84.4% on-time rate over 10,171 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 68.7 minutes. The 1,770-mile corridor is served by 6 carriers, and over the last 24 months 1.3% of 4,067 flights were cancelled, 0.2% diverted.
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 91% on-time, while May 2024 came in at just 68% - a 23-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.