Route · LAX → IAD · 2020–2025 BTS data
Los Angeles to Washington
The LAX–IAD corridor (Los Angeles, CA → Washington, DC) runs ahead of the national average, served by 6 carriers across roughly 2,288 miles.
Data updated 2026-06-13
- 86.6%
- On-time
- +7.6 pts
- vs US avg
- 64 min
- Delay when late
- 12,545
- Flights
Cancelled
0.8%
Best Month
Oct 2025 96%
Worst Month
Jul 2025 72%
Distance
2,288 mi
Carriers
6
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 215 | 29 | 1 | 1 | UA |
| Nov 2025 | 198 | 32 | 0 | 0 | UA |
| Oct 2025 | 202 | 8 | 2 | 0 | UA |
| Sep 2025 | 174 | 14 | 1 | 1 | UA |
| Aug 2025 | 198 | 26 | 1 | 1 | UA,AS |
| Jul 2025 | 221 | 62 | 3 | 4 | AS,UA |
| Jun 2025 | 228 | 39 | 0 | 4 | AS,UA |
| May 2025 | 253 | 32 | 0 | 0 | AS,UA |
| Apr 2025 | 242 | 19 | 0 | 0 | UA,AS |
| Mar 2025 | 205 | 24 | 0 | 0 | AS,UA |
| Feb 2025 | 145 | 18 | 1 | 0 | UA |
| Jan 2025 | 161 | 25 | 3 | 0 | AS,UA |
| Dec 2024 | 230 | 49 | 2 | 0 | AS,UA |
| Nov 2024 | 229 | 20 | 1 | 0 | UA,AS |
| Oct 2024 | 240 | 23 | 0 | 0 | UA,AS |
| Sep 2024 | 215 | 14 | 0 | 0 | UA,AS |
| Aug 2024 | 235 | 37 | 3 | 5 | AS,UA |
| Jul 2024 | 248 | 53 | 5 | 0 | AS,UA |
| Jun 2024 | 236 | 30 | 3 | 1 | AS,UA |
| May 2024 | 244 | 26 | 0 | 0 | AS,UA |
| Apr 2024 | 231 | 18 | 0 | 1 | AS,UA |
| Mar 2024 | 215 | 47 | 0 | 1 | AS,UA |
| Feb 2024 | 147 | 27 | 1 | 0 | AS,UA |
| Jan 2024 | 146 | 35 | 12 | 0 | AS,UA |
Cancellation Rate
0.8%
39 of 5,058 flights
Diversion Rate
0.4%
19 of 5,058 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
LAX - Los Angeles
Full on-time, delay-cause, and seasonal performance for Los Angeles, CA.
Origin airport →IAD - Washington
Full on-time, delay-cause, and seasonal performance for Washington, DC.
Destination airport →Compare the two airports
See LAX 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 LAX–IAD.
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What the Data Says About LAX to IAD
Los Angeles to Washington (LAX to IAD) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.6% on-time rate across 12,545 flights, with delays that do happen averaging 63.5 minutes. The corridor runs roughly 2,288 miles and is served by 6 carriers. Over the most recent 24 months, 39 of 5,058 flights were cancelled (0.8%) and 19 diverted (0.4%).
The monthly split is wide on this route: Oct 2025 posted the strongest performance at 96% on-time, while Jul 2025 came in at just 72% - a 24-point swing worth factoring into travel timing.
Frequently Asked Questions
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Flight Guides
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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.