Route · BOS → MCI · 2020–2025 BTS data
Boston to Kansas City
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), BOS to MCI (Boston to Kansas City) ranks #3062 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 82.1%
- On-time
- +3.1 pts
- vs US avg
- 70 min
- Delay when late
- 3,643
- Flights
- #3062 of 4927
- Corpus placement
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 |
BOS–MCI seasonal on-time pattern
Best: November (86.8%) · weakest: July (72.6%)
Strongest calendar month
November
86.8% on-time · ~64 flights/mo
Busiest calendar month
August
~79 flights/mo avg
Weakest calendar month
July
72.6% on-time · ~72 flights/mo
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.
BOS on-time profileMCI - Kansas City
Full on-time, delay-cause, and seasonal performance for Kansas City, MO.
MCI on-time profileCompare the two airports
See BOS and MCI side by side on delays, cancellations, and reliability.
Compare BOS vs MCIOrigin-hub reliability standing
Mid-pack among BOS departures
From BOS, this corridor sits with 49 other 75–85% on-time routes out of 60 tracked departures, not the hub's reliability leaders (6 at ≥85%) and not the softest ( 5 below 75%). Destination: Kansas City · fleet on-time rank #2297 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to BOS–MCI.
Routes with a similar on-time rate
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.
On the multi-year calendar, BOS–MCI peaks in November at 86.8% on-time while August carries the heaviest traffic (~79 flights per month) ; the softest month is July at 72.6%, a 14.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does BOS to MCI rank among US routes by traffic? ▼
How often are flights delayed from BOS to MCI? ▼
What is the cancellation rate for BOS to MCI? ▼
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Airports on this route
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.
Using BOS–MCI data
BOS–MCI runs 3.1 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare BOS and MCI airport profiles: delay causes and top routes differ even on the same corridor. BOS airport
- If your dates flex, November (86.8% on-time) beats July (72.6%) on this corridor. Seasonal chart
- 4 other routes post a similar 82.1% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.