Route · IAD → MCI · 2020–2025 BTS data
Washington to Kansas City
The IAD–MCI corridor (Washington, DC → Kansas City, MO) runs ahead of the national average, served by 7 carriers across roughly 926 miles.
Data updated 2026-06-13
- 85.4%
- On-time
- +6.4 pts
- vs US avg
- 128 min
- Delay when late
- 1,159
- Flights
Cancelled
2.0%
Best Month
Sep 2021 95%
Worst Month
Aug 2021 71%
Distance
926 mi
Carriers
7
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2022 | 32 | 2 | 0 | 1 | YV |
| Nov 2022 | 30 | 5 | 0 | 0 | YV |
| Oct 2022 | 30 | 2 | 0 | 0 | YX,YV |
| Aug 2022 | 31 | 7 | 3 | 0 | YV |
| Jul 2022 | 31 | 9 | 2 | 0 | YV |
| Jun 2022 | 30 | 4 | 2 | 1 | YV |
| May 2022 | 31 | 6 | 1 | 0 | YV |
| Apr 2022 | 30 | 2 | 0 | 0 | YV |
| Mar 2022 | 34 | 4 | 0 | 0 | YV,YX |
| Jan 2022 | 32 | 5 | 6 | 0 | YV |
| Dec 2021 | 55 | 14 | 2 | 0 | YV |
| Nov 2021 | 57 | 5 | 0 | 0 | YV |
| Oct 2021 | 61 | 14 | 1 | 0 | YV |
| Sep 2021 | 60 | 3 | 0 | 0 | YV,YX |
| Aug 2021 | 62 | 18 | 0 | 0 | YV |
| Jul 2021 | 62 | 14 | 0 | 0 | YV |
| Jun 2021 | 60 | 9 | 0 | 0 | YV,YX |
| May 2021 | 55 | 7 | 0 | 0 | YV,YX |
| Apr 2021 | 30 | 3 | 0 | 0 | YX |
| Mar 2021 | 31 | 2 | 0 | 0 | YX |
| Jan 2021 | 35 | 3 | 1 | 0 | YV,YX |
| Dec 2020 | 45 | 7 | 2 | 0 | YV,YX |
| Sep 2020 | 30 | 2 | 0 | 0 | YV,YX |
| Aug 2020 | 31 | 4 | 0 | 0 | YV |
Cancellation Rate
2.0%
20 of 985 flights
Diversion Rate
0.2%
2 of 985 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
IAD - Washington
Full on-time, delay-cause, and seasonal performance for Washington, DC.
Origin airport →MCI - Kansas City
Full on-time, delay-cause, and seasonal performance for Kansas City, MO.
Destination airport →Compare the two airports
See IAD and MCI side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to IAD–MCI.
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What the Data Says About IAD to MCI
Washington to Kansas City (IAD to MCI) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85.4% on-time rate across 1,159 flights, with delays that do happen averaging 127.9 minutes. The corridor runs roughly 926 miles and is served by 7 carriers. Over the most recent 24 months, 20 of 985 flights were cancelled (2.0%) and 2 diverted (0.2%).
The monthly split is wide on this route: Sep 2021 posted the strongest performance at 95% on-time, while Aug 2021 came in at just 71% - a 24-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.