Route · MCI → BOS · 2020–2025 BTS data
Kansas City to Boston
The MCI–BOS corridor (Kansas City, MO → Boston, MA) runs ahead of the national average, served by 17 carriers across roughly 1,256 miles.
Data updated 2026-06-13
- 80.5%
- On-time
- +1.5 pts
- vs US avg
- 92 min
- Delay when late
- 3,643
- Flights
Cancelled
2.1%
Best Month
Dec 2023 91%
Worst Month
Sep 2025 51%
Distance
1,256 mi
Carriers
17
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 41 | 10 | 1 | 0 | DL,YX |
| Nov 2025 | 53 | 16 | 2 | 0 | DL,YX |
| Oct 2025 | 57 | 25 | 3 | 0 | YX,DL |
| Sep 2025 | 55 | 27 | 1 | 0 | DL,YX |
| Aug 2025 | 56 | 8 | 1 | 0 | YX,DL |
| Jul 2025 | 56 | 14 | 1 | 0 | YX |
| Jun 2025 | 56 | 8 | 0 | 0 | YX,DL |
| May 2025 | 55 | 17 | 0 | 1 | YX,DL |
| Apr 2025 | 48 | 10 | 0 | 0 | YX |
| Mar 2025 | 51 | 7 | 0 | 0 | YX |
| Jan 2025 | 35 | 1 | 5 | 0 | YX |
| Dec 2024 | 57 | 8 | 1 | 0 | DL,YX |
| Nov 2024 | 49 | 8 | 0 | 0 | YX,NK,DL |
| Oct 2024 | 75 | 12 | 1 | 0 | DL,YX,NK |
| Sep 2024 | 85 | 11 | 1 | 0 | YX,DL,NK |
| Aug 2024 | 87 | 19 | 6 | 0 | DL,NK,YX |
| Jul 2024 | 76 | 15 | 3 | 0 | DL,NK,YX |
| Jun 2024 | 55 | 8 | 0 | 0 | DL,YX |
| May 2024 | 57 | 15 | 1 | 1 | YX |
| Apr 2024 | 56 | 11 | 0 | 0 | YX |
| Mar 2024 | 50 | 2 | 0 | 0 | YX |
| Jan 2024 | 31 | 12 | 0 | 0 | YX |
| Dec 2023 | 56 | 5 | 1 | 1 | DL,YX |
| Nov 2023 | 49 | 4 | 0 | 0 | DL,YX |
Cancellation Rate
2.1%
28 of 1,346 flights
Diversion Rate
0.2%
3 of 1,346 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
MCI - Kansas City
Full on-time, delay-cause, and seasonal performance for Kansas City, MO.
Origin airport →BOS - Boston
Full on-time, delay-cause, and seasonal performance for Boston, MA.
Destination airport →Compare the two airports
See MCI and BOS side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to MCI–BOS.
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What the Data Says About MCI to BOS
3,643 tracked flights put the MCI to BOS pairing (Kansas City to Boston) at a 80.5% on-time rate, squarely in line with the wider network. Delays that do occur run 92.4 minutes on average. Across the 1,256-mile route and its 17 carriers, the trailing 24 months show 2.1% cancelled and 0.2% diverted (1,346 flights sampled).
The monthly split is wide on this route: Dec 2023 posted the strongest performance at 91% on-time, while Sep 2025 came in at just 51% - a 40-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.