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Route Reliability

Kansas City → Boston

MCI–BOS · 1,256 miles · Kansas City International Airport to Boston Logan International Airport

72
Usually Fine
WanderNerd Reliability Score
76%
Arrive within 15 minutes
14 min
Average arrival delay
2.7%
Cancelled
595
Flights in the data

Data through May 2026.

Delta Air Lines is the only airline in this data on this route, arriving on time 76% of the time across 595 flights. No comparison to make.

What the data says

Morning flights do better here.

MCI–BOS flights departing between 9 AM–12 PM arrived on time 82% of the time, versus 71% between 6–9 PM.

Sunday scaries are real for this one.

MCI–BOS flights arrived on time 83% of the time on Wednesdays. On Sundays: 71%.

Ticking up lately.

MCI–BOS flights arrived on time 87% of the time over the last three months in the data, compared with 81% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon74%(88 flights)
  • Tue82%(91 flights)
  • Wed83%(88 flights)
  • Thu74%(85 flights)
  • Fri75%(87 flights)
  • Sat75%(51 flights)
  • Sun71%(89 flights)
On-time by departure window
  • 9 AM–12 PM82%(241 flights)
  • 12–3 PM80%(89 flights)
  • 3–6 PM—(5 flights)
  • 6–9 PM71%(244 flights)
On-time trend by month
93%
May

Jun 86% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%56
July 202575%55
August 202586%55
September 202550%54
October 202554%54
November 202571%51
December 202575%40
January 202673%30
February 202696%25
March 202686%51
April 202680%51
May 202693%57

Keep nerding

Based on 595 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.