Delta Air Lines BOS to MCI on-time performance
Delta Air Lines nonstop flights from Boston to Kansas City · Aug 2025 – Jul 2026
On-time arrivals
77%
arrived < 15 min late
Cancelled
2.3%
7 flights
Avg arrival delay
18 min
75 min when late
Rank on route
#2 of 3
route average 78% on time
Key facts
- Delta Air Lines flights on BOS to MCI arrived on time 77% of the time in Aug 2025 – Jul 2026.
- 2.3% were cancelled, and 11% arrived an hour or more late.
- That ranks #2 of 3 airlines on this route, which averaged 78% on time overall.
- The largest source of delay minutes was late-arriving aircraft (53%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft53%
- Airline (crew, maintenance, cleaning, fueling)28%
- Air traffic control & airport congestion18%
- Extreme weather0%
- Security0%
Other airlines on BOS to MCI
- Republic Airways84% on time · 9 min avg delay
- Southwest Airlines54% on time · 23 min avg delay
Full BOS to MCI comparison →
Delta Air Lines on-time record across all routes →
311 Delta Air Lines flights tracked on this route; 7 cancelled, 3 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.