Southwest Airlines MCI to ATL on-time performance
Southwest Airlines nonstop flights from Kansas City to Atlanta · Aug 2025 – Jul 2026
On-time arrivals
79%
arrived < 15 min late
Cancelled
0.3%
1 flights
Avg arrival delay
13 min
56 min when late
Rank on route
#3 of 4
route average 87% on time
Key facts
- Southwest Airlines flights on MCI to ATL arrived on time 79% of the time in Aug 2025 – Jul 2026.
- 0.3% were cancelled, and 5% arrived an hour or more late.
- That ranks #3 of 4 airlines on this route, which averaged 87% on time overall.
- The largest source of delay minutes was late-arriving aircraft (54%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft54%
- Airline (crew, maintenance, cleaning, fueling)31%
- Air traffic control & airport congestion14%
- Extreme weather1%
- Security0%
Other airlines on MCI to ATL
- Delta Air Lines90% on time · 8 min avg delay
- Frontier Airlines60% on time · 36 min avg delay
- American Airlines100% on time · 0 min avg delay
Full MCI to ATL comparison →
Southwest Airlines on-time record across all routes →
365 Southwest Airlines flights tracked on this route; 1 cancelled, 1 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.