Route · SEA → LAS · 2020–2025 BTS data
Seattle to Las Vegas
The SEA–LAS corridor (Seattle, WA → Las Vegas, NV) runs ahead of the national average, served by 32 carriers across roughly 867 miles.
Data updated 2026-06-13
- 80.3%
- On-time
- +1.3 pts
- vs US avg
- 59 min
- Delay when late
- 36,154
- Flights
Cancelled
0.9%
Best Month
Nov 2024 87%
Worst Month
Jun 2025 69%
Distance
867 mi
Carriers
32
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 468 | 122 | 2 | 0 | DL,WN,F9,AS |
| Nov 2025 | 445 | 90 | 7 | 0 | DL,F9,AS,WN |
| Oct 2025 | 487 | 113 | 12 | 0 | AS,OO,WN,DL,F9 |
| Sep 2025 | 440 | 108 | 0 | 1 | WN,DL,F9,AS |
| Aug 2025 | 487 | 123 | 0 | 0 | WN,F9,NK,AS,DL |
| Jul 2025 | 521 | 159 | 4 | 2 | AS,NK,WN,DL,F9 |
| Jun 2025 | 529 | 164 | 7 | 3 | AS,NK,WN,DL,F9 |
| May 2025 | 563 | 123 | 1 | 0 | AS,NK,WN,DL,F9 |
| Apr 2025 | 506 | 88 | 1 | 0 | DL,F9,NK,WN,AS |
| Mar 2025 | 506 | 93 | 1 | 0 | AS,OO,WN,DL,F9,NK |
| Feb 2025 | 440 | 118 | 6 | 0 | AS,OO,WN,DL,F9,NK |
| Jan 2025 | 484 | 73 | 0 | 0 | AS,OO,WN,DL,F9,NK |
| Dec 2024 | 497 | 86 | 0 | 0 | AS,DL,F9,NK,WN |
| Nov 2024 | 515 | 68 | 2 | 0 | NK,WN,AS,DL,F9 |
| Oct 2024 | 591 | 126 | 0 | 0 | AS,OO,WN,DL,NK,F9 |
| Sep 2024 | 579 | 132 | 3 | 0 | WN,NK,AS,DL,F9 |
| Aug 2024 | 619 | 191 | 8 | 0 | AS,DL,F9,NK,WN |
| Jul 2024 | 589 | 173 | 12 | 1 | AS,DL,F9,NK,WN |
| Jun 2024 | 554 | 137 | 2 | 0 | AS,DL,F9,NK,WN |
| May 2024 | 558 | 120 | 0 | 0 | AS,DL,F9,NK,OO,WN |
| Apr 2024 | 538 | 113 | 0 | 0 | AS,DL,F9,NK,OO,WN |
| Mar 2024 | 549 | 132 | 4 | 2 | AS,DL,F9,NK,OO,WN |
| Feb 2024 | 499 | 97 | 3 | 0 | AS,DL,F9,NK,OO,WN |
| Jan 2024 | 539 | 126 | 34 | 0 | AS,DL,F9,NK,WN |
Cancellation Rate
0.9%
109 of 12,503 flights
Diversion Rate
0.1%
9 of 12,503 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 →LAS - Las Vegas
Full on-time, delay-cause, and seasonal performance for Las Vegas, NV.
Destination airport →Compare the two airports
See SEA and LAS 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–LAS.
Routes with a similar on-time rate
What the Data Says About SEA to LAS
36,154 tracked flights put the SEA to LAS pairing (Seattle to Las Vegas) at a 80.3% on-time rate, squarely in line with the wider network. Delays that do occur run 59.3 minutes on average. Across the 867-mile route and its 32 carriers, the trailing 24 months show 0.9% cancelled and 0.1% diverted (12,503 flights sampled).
The monthly split is wide on this route: Nov 2024 posted the strongest performance at 87% on-time, while Jun 2025 came in at just 69% - a 18-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.