Route · LAS → IAD · 2020–2025 BTS data
Las Vegas to Washington
The LAS–IAD corridor (Las Vegas, NV → Washington, DC) runs ahead of the national average, served by 5 carriers across roughly 2,065 miles.
Data updated 2026-06-13
- 85.2%
- On-time
- +6.2 pts
- vs US avg
- 75 min
- Delay when late
- 4,682
- Flights
Cancelled
0.9%
Best Month
Oct 2025 95%
Worst Month
Jul 2024 69%
Distance
2,065 mi
Carriers
5
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 92 | 9 | 0 | 0 | UA |
| Nov 2025 | 89 | 12 | 0 | 0 | UA |
| Oct 2025 | 93 | 5 | 0 | 0 | UA |
| Sep 2025 | 90 | 5 | 0 | 0 | UA |
| Aug 2025 | 119 | 16 | 0 | 0 | F9,UA |
| Jul 2025 | 123 | 27 | 0 | 1 | UA,F9 |
| Jun 2025 | 111 | 27 | 0 | 0 | UA,F9 |
| May 2025 | 145 | 30 | 1 | 0 | UA,F9 |
| Apr 2025 | 120 | 12 | 0 | 0 | UA |
| Mar 2025 | 99 | 14 | 1 | 0 | UA |
| Feb 2025 | 100 | 11 | 0 | 1 | UA |
| Jan 2025 | 89 | 10 | 1 | 0 | UA |
| Dec 2024 | 81 | 13 | 0 | 0 | UA |
| Nov 2024 | 89 | 8 | 1 | 0 | UA |
| Oct 2024 | 93 | 9 | 0 | 0 | UA |
| Sep 2024 | 80 | 8 | 1 | 0 | UA |
| Aug 2024 | 57 | 8 | 1 | 2 | UA |
| Jul 2024 | 61 | 19 | 1 | 0 | UA |
| Jun 2024 | 61 | 10 | 2 | 0 | UA |
| May 2024 | 84 | 14 | 0 | 1 | UA |
| Apr 2024 | 90 | 8 | 1 | 0 | UA |
| Mar 2024 | 90 | 19 | 0 | 0 | UA |
| Feb 2024 | 83 | 16 | 0 | 0 | UA |
| Jan 2024 | 75 | 6 | 10 | 1 | UA |
Cancellation Rate
0.9%
20 of 2,214 flights
Diversion Rate
0.3%
6 of 2,214 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 →IAD - Washington
Full on-time, delay-cause, and seasonal performance for Washington, DC.
Destination airport →Compare the two airports
See LAS and IAD 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–IAD.
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What the Data Says About LAS to IAD
Las Vegas to Washington (LAS to IAD) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85.2% on-time rate across 4,682 flights, with delays that do happen averaging 75.3 minutes. The corridor runs roughly 2,065 miles and is served by 5 carriers. Over the most recent 24 months, 20 of 2,214 flights were cancelled (0.9%) and 6 diverted (0.3%).
The monthly split is wide on this route: Oct 2025 posted the strongest performance at 95% on-time, while Jul 2024 came in at just 69% - a 26-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.