BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
BOS→MCI

Boston, MA (BOS) to Kansas City, MO (MCI) flight delay odds

76.6% of 615 official scheduled BOS-to-MCI flights arrived on time; 13.8% arrived at least 30 minutes late and 2.1% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
76.6%arrived on time
13.8%30+ min late
2.1%cancelled
615scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.6%all scheduled flights
120+ minutes late2.8%all scheduled flights
Diverted0.7%did not reach as scheduled
Average arrival+2.2 mincompleted flights

Which departure time was most reliable for BOS to MCI?

Among qualifying BOS-to-MCI departure window results, Early morning had the highest on-time rate: 87.1% of 263 flights. Afternoon was lowest at 66.5% across 269 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning26387.1%8.0%0.4%
Late morning8176.5%9.9%6.2%
Afternoon26966.5%20.4%2.6%

Which weekday was most reliable for BOS to MCI?

Among qualifying BOS-to-MCI weekday results, Monday had the highest on-time rate: 81.2% of 96 flights. Friday was lowest at 70.8% across 89 flights.

DayFlightsOn time30+ minCancelled
Monday9681.2%10.4%4.2%
Tuesday9480.9%11.7%2.1%
Wednesday9076.7%12.2%2.2%
Thursday9474.5%16.0%3.2%
Friday8970.8%20.2%0.0%
Saturday5978.0%11.9%3.4%
Sunday9374.2%14.0%0.0%

Which airline was most reliable for BOS to MCI?

Among qualifying BOS-to-MCI airline results, Republic Airways had the highest on-time rate: 79.9% of 334 flights. Delta Air Lines was lowest at 74.4% across 254 flights.

AirlineFlightsOn time30+ minCancelled
Republic Airways33479.9%10.2%2.7%
Delta Air Lines25474.4%16.9%1.6%
Southwest Airlines2755.6%29.6%0.0%

Which month was most reliable for BOS to MCI?

Among qualifying BOS-to-MCI month results, August 2025 had the highest on-time rate: 91.1% of 56 flights. June 2026 was lowest at 67.1% across 76 flights.

MonthFlightsOn time30+ minCancelled
July 20255671.4%17.9%1.8%
August 20255691.1%1.8%1.8%
September 20255576.4%16.4%1.8%
October 20255771.9%21.1%5.3%
November 20255371.7%18.9%3.8%
December 20254168.3%17.1%0.0%
January 20263372.7%15.2%6.1%
February 20262882.1%3.6%7.1%
March 20265278.8%9.6%1.9%
April 20265184.3%9.8%0.0%
May 20265786.0%10.5%0.0%
June 20267667.1%18.4%0.0%

What drove BOS to MCI delay minutes?

Late aircraft was the largest recorded BOS-to-MCI delay category, accounting for 42.9% of 7,482 BTS-attributed delay minutes during July 2025–June 2026.

Airline29.5%
Late aircraft42.9%
National airspace25.4%
Weather2.2%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.