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Route · MCI → IAD · 2020–2025 BTS data

Kansas City to Washington

The MCI–IAD corridor (Kansas City, MO → Washington, DC) runs ahead of the national average, served by 6 carriers across roughly 926 miles.

Data updated 2026-06-13

88.4%
On-time
+9.4 pts
vs US avg
88 min
Delay when late
1,191
Flights

Cancelled

1.8%

Best Month

Nov 2021 91%

Worst Month

Dec 2021 82%

Distance

926 mi

Carriers

6

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2022 31 6 0 0 YV
Nov 2022 30 6 0 0 YV
Oct 2022 31 2 0 0 UA,YX,YV
Sep 2022 30 3 0 0 YV
Aug 2022 31 1 0 0 YV
Jul 2022 31 2 0 0 YV
Jun 2022 31 2 0 0 YV
May 2022 30 3 0 0 YV
Apr 2022 30 2 0 0 YV
Mar 2022 36 4 1 0 YV,YX
Jan 2022 32 5 8 0 YV
Dec 2021 55 10 1 0 YV
Nov 2021 57 5 1 0 YV,UA
Oct 2021 62 9 1 0 YV
Sep 2021 60 8 1 0 YV
Aug 2021 62 11 0 0 YV
Jul 2021 62 10 0 2 YV
Jun 2021 60 8 0 0 YV
May 2021 55 5 0 0 YV
Apr 2021 30 2 0 0 YV
Mar 2021 31 1 0 0 YV
Jan 2021 35 4 2 0 YV,YX
Dec 2020 45 3 3 0 YV,YX
Sep 2020 30 2 0 0 YV

Cancellation Rate

1.8%

18 of 987 flights

Diversion Rate

0.2%

2 of 987 flights

What the Data Says About MCI to IAD

Kansas City to Washington (MCI to IAD) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 88.4% on-time rate across 1,191 flights, with delays that do happen averaging 88.4 minutes. The corridor runs roughly 926 miles and is served by 6 carriers. Over the most recent 24 months, 18 of 987 flights were cancelled (1.8%) and 2 diverted (0.2%).

Monthly performance varies moderately here: Nov 2021 was the strongest month at 91% on-time versus Dec 2021 at 82%, a 9-point difference.

Frequently Asked Questions

How often are flights delayed from MCI to IAD?
Flights from Kansas City to Washington have a 88.4% on-time rate based on 1,191 flights. The average delay is 88.4 minutes. The best recent month was Nov 2021 with 91% on-time.
What is the cancellation rate for MCI to IAD?
Over the last 24 months, 1.8% of flights on this route were cancelled (18 of 987 flights) and 0.2% were diverted.
How far is the flight from MCI to IAD?
The flight distance from Kansas City (MCI) to Washington (IAD) is approximately 926 miles. This route is served by 6 carriers.
When is the best time to fly from MCI to IAD?
The best recent month for on-time performance was Nov 2021 (91% on-time). The worst was Dec 2021 (82% on-time). Consider booking during months with historically better performance.

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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.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights Editorial

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.