Route · LAS → SEA · 2020–2025 BTS data
Las Vegas to Seattle
The LAS–SEA corridor (Las Vegas, NV → Seattle, WA) runs ahead of the national average, served by 33 carriers across roughly 867 miles.
Data updated 2026-06-13
- 81.5%
- On-time
- +2.5 pts
- vs US avg
- 65 min
- Delay when late
- 36,175
- Flights
Cancelled
0.9%
Best Month
Feb 2024 86%
Worst Month
Jul 2024 69%
Distance
867 mi
Carriers
33
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 468 | 105 | 3 | 0 | DL,WN,F9,AS |
| Nov 2025 | 445 | 66 | 8 | 0 | DL,F9,AS,WN |
| Oct 2025 | 485 | 105 | 12 | 0 | AS,DL,WN,F9 |
| Sep 2025 | 441 | 77 | 1 | 2 | WN,DL,F9,AS |
| Aug 2025 | 489 | 115 | 0 | 0 | WN,F9,NK,AS,DL |
| Jul 2025 | 521 | 99 | 5 | 1 | AS,DL,NK,WN,F9 |
| Jun 2025 | 527 | 130 | 6 | 0 | AS,DL,NK,WN,F9 |
| May 2025 | 565 | 130 | 1 | 0 | AS,DL,NK,WN,F9 |
| Apr 2025 | 507 | 96 | 1 | 0 | DL,F9,NK,WN,AS |
| Mar 2025 | 504 | 75 | 1 | 1 | AS,OO,WN,DL,F9,NK |
| Feb 2025 | 438 | 67 | 7 | 0 | AS,OO,WN,DL,F9,NK |
| Jan 2025 | 483 | 85 | 0 | 1 | AS,OO,WN,DL,F9,NK |
| Dec 2024 | 494 | 85 | 2 | 0 | AS,DL,F9,NK,WN |
| Nov 2024 | 509 | 74 | 4 | 1 | NK,WN,AS,DL,F9 |
| Oct 2024 | 593 | 93 | 0 | 0 | AS,OO,WN,DL,NK,F9 |
| Sep 2024 | 579 | 135 | 5 | 0 | WN,NK,AS,DL,F9 |
| Aug 2024 | 618 | 177 | 9 | 1 | AS,DL,F9,NK,WN |
| Jul 2024 | 590 | 184 | 12 | 0 | AS,DL,F9,NK,WN |
| Jun 2024 | 554 | 149 | 4 | 0 | AS,DL,F9,NK,WN |
| May 2024 | 558 | 128 | 0 | 0 | AS,DL,F9,NK,OO,WN |
| Apr 2024 | 537 | 106 | 0 | 0 | AS,DL,F9,NK,OO,WN |
| Mar 2024 | 549 | 125 | 4 | 0 | AS,DL,F9,NK,OO,WN |
| Feb 2024 | 498 | 72 | 5 | 0 | AS,DL,F9,NK,OO,WN |
| Jan 2024 | 541 | 114 | 28 | 0 | AS,DL,F9,NK,WN |
Cancellation Rate
0.9%
118 of 12,493 flights
Diversion Rate
0.1%
7 of 12,493 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
LAS - Las Vegas
Full on-time, delay-cause, and seasonal performance for Las Vegas, NV.
Origin airport →SEA - Seattle
Full on-time, delay-cause, and seasonal performance for Seattle, WA.
Destination airport →Compare the two airports
See LAS 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 LAS–SEA.
Routes with a similar on-time rate
What the Data Says About LAS to SEA
36,175 tracked flights put the LAS to SEA pairing (Las Vegas to Seattle) at a 81.5% on-time rate, squarely in line with the wider network. Delays that do occur run 64.5 minutes on average. Across the 867-mile route and its 33 carriers, the trailing 24 months show 0.9% cancelled and 0.1% diverted (12,493 flights sampled).
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 86% on-time, while Jul 2024 came in at just 69% - 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.