Route · BOS → MCI · 2020–2025 BTS data
Boston to Kansas City
The BOS–MCI corridor (Boston, MA → Kansas City, MO) runs ahead of the national average, served by 17 carriers across roughly 1,256 miles.
Data updated 2026-06-13
- 82.1%
- On-time
- +3.1 pts
- vs US avg
- 70 min
- Delay when late
- 3,643
- Flights
Cancelled
1.9%
Best Month
Dec 2023 95%
Worst Month
Jul 2025 73%
Distance
1,256 mi
Carriers
17
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 41 | 12 | 0 | 1 | DL,YX |
| Nov 2025 | 53 | 13 | 2 | 0 | DL,YX |
| Oct 2025 | 57 | 13 | 3 | 0 | YX,DL |
| Sep 2025 | 55 | 11 | 1 | 1 | DL,YX |
| Aug 2025 | 56 | 4 | 1 | 0 | YX,DL |
| Jul 2025 | 56 | 15 | 1 | 0 | YX |
| Jun 2025 | 56 | 9 | 0 | 0 | DL,YX |
| May 2025 | 55 | 14 | 0 | 0 | DL,YX |
| Apr 2025 | 48 | 8 | 0 | 0 | YX |
| Mar 2025 | 51 | 7 | 0 | 0 | YX |
| Jan 2025 | 35 | 4 | 4 | 0 | YX |
| Dec 2024 | 57 | 8 | 1 | 1 | DL,YX |
| Nov 2024 | 49 | 7 | 0 | 0 | YX,NK,DL |
| Oct 2024 | 76 | 11 | 1 | 0 | DL,YX,NK |
| Sep 2024 | 85 | 6 | 1 | 0 | YX,DL,NK |
| Aug 2024 | 87 | 16 | 5 | 0 | DL,NK,YX |
| Jul 2024 | 76 | 19 | 3 | 0 | DL,NK,YX |
| Jun 2024 | 54 | 13 | 0 | 0 | DL,YX |
| May 2024 | 57 | 11 | 1 | 1 | YX |
| Apr 2024 | 56 | 8 | 0 | 1 | YX |
| Mar 2024 | 50 | 8 | 0 | 0 | YX |
| Jan 2024 | 31 | 7 | 0 | 1 | YX |
| Dec 2023 | 56 | 3 | 1 | 0 | DL,YX |
| Nov 2023 | 49 | 6 | 0 | 0 | DL,YX |
Cancellation Rate
1.9%
25 of 1,346 flights
Diversion Rate
0.4%
6 of 1,346 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
BOS - Boston
Full on-time, delay-cause, and seasonal performance for Boston, MA.
Origin airport →MCI - Kansas City
Full on-time, delay-cause, and seasonal performance for Kansas City, MO.
Destination airport →Compare the two airports
See BOS 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 BOS–MCI.
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What the Data Says About BOS to MCI
Bureau of Transportation Statistics records show Boston to Kansas City (BOS to MCI) running a 82.1% on-time rate over 3,643 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 70.2 minutes. The 1,256-mile corridor is served by 17 carriers, and over the last 24 months 1.9% of 1,346 flights were cancelled, 0.4% diverted.
The monthly split is wide on this route: Dec 2023 posted the strongest performance at 95% on-time, while Jul 2025 came in at just 73% - a 21-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.