Delta Air Lines SEA to MCI on-time performance
Delta Air Lines nonstop flights from Seattle to Kansas City · Aug 2025 – Jul 2026
On-time arrivals
76%
arrived < 15 min late
Cancelled
1.6%
6 flights
Avg arrival delay
19 min
77 min when late
Rank on route
#2 of 3
route average 80% on time
Key facts
- Delta Air Lines flights on SEA to MCI arrived on time 76% of the time in Aug 2025 – Jul 2026.
- 1.6% were cancelled, and 10% arrived an hour or more late.
- That ranks #2 of 3 airlines on this route, which averaged 80% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (65%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)65%
- Late-arriving aircraft24%
- Air traffic control & airport congestion10%
- Extreme weather2%
- Security0%
Other airlines on SEA to MCI
- Alaska Airlines83% on time · 9 min avg delay
- Southwest Airlines33% on time · 41 min avg delay
Full SEA to MCI comparison →
Delta Air Lines on-time record across all routes →
364 Delta Air Lines flights tracked on this route; 6 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.