Route · DCA → TYS · 2020–2025 BTS data
Washington to Knoxville
The DCA–TYS corridor (Washington, DC → Knoxville, TN) runs behind the national average, served by 8 carriers across roughly 437 miles.
Data updated 2026-06-13
- 76.7%
- On-time
- -2.3 pts
- vs US avg
- 79 min
- Delay when late
- 4,951
- Flights
Cancelled
3.6%
Best Month
Nov 2024 86%
Worst Month
Dec 2025 51%
Distance
437 mi
Carriers
8
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 63 | 31 | 2 | 0 | OH |
| Nov 2025 | 84 | 26 | 2 | 0 | OH |
| Oct 2025 | 89 | 28 | 0 | 0 | OH |
| Sep 2025 | 86 | 16 | 0 | 1 | OH |
| Aug 2025 | 89 | 19 | 7 | 0 | YX,OH |
| Jul 2025 | 92 | 37 | 7 | 0 | OH,YX,MQ |
| Jun 2025 | 89 | 34 | 7 | 0 | OH,YX,MQ |
| May 2025 | 93 | 25 | 7 | 0 | OH,YX,MQ |
| Apr 2025 | 89 | 24 | 2 | 0 | OH |
| Mar 2025 | 93 | 29 | 3 | 0 | OH,YX |
| Feb 2025 | 82 | 37 | 11 | 0 | OH,YX |
| Jan 2025 | 84 | 34 | 8 | 0 | OH |
| Dec 2024 | 80 | 26 | 2 | 0 | MQ,OH |
| Nov 2024 | 107 | 15 | 0 | 0 | MQ,YX,OH |
| Oct 2024 | 89 | 16 | 0 | 0 | MQ,YX,OH |
| Sep 2024 | 86 | 14 | 1 | 0 | YX,OH,MQ |
| Aug 2024 | 88 | 26 | 2 | 0 | MQ,OH |
| Jul 2024 | 89 | 28 | 4 | 0 | MQ,OH |
| Jun 2024 | 85 | 27 | 0 | 0 | MQ,OH,YX |
| May 2024 | 88 | 29 | 0 | 0 | MQ,OH |
| Apr 2024 | 82 | 19 | 0 | 0 | MQ,OH |
| Mar 2024 | 82 | 12 | 0 | 0 | MQ,OH |
| Feb 2024 | 91 | 13 | 1 | 0 | MQ,OH |
| Jan 2024 | 106 | 31 | 9 | 1 | MQ,OH |
Cancellation Rate
3.6%
75 of 2,106 flights
Diversion Rate
0.1%
2 of 2,106 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
DCA - Washington
Full on-time, delay-cause, and seasonal performance for Washington, DC.
Origin airport →TYS - Knoxville
Full on-time, delay-cause, and seasonal performance for Knoxville, TN.
Destination airport →Compare the two airports
See DCA and TYS side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to DCA–TYS.
Routes with a similar on-time rate
What the Data Says About DCA to TYS
The Washington to Knoxville corridor (DCA to TYS) posts a 76.7% on-time rate on the lower edge of the average band, based on 4,951 tracked flights. Late flights run 79.3 minutes behind on average. 8 carriers cover the 437-mile route; over the last 24 months, 75 of 2,106 flights were cancelled (3.6%) and 0.1% diverted.
The monthly split is wide on this route: Nov 2024 posted the strongest performance at 86% on-time, while Dec 2025 came in at just 51% - a 35-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from DCA to TYS? ▼
What is the cancellation rate for DCA to TYS? ▼
How far is the flight from DCA to TYS? ▼
When is the best time to fly from DCA to TYS? ▼
Flight Guides
Tips and data-driven advice for choosing reliable routes.
Explore PlainFlights
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.