Historical on-time performance
Atlanta to Kansas City
692 miData through May 2026Source: US DOT · BTS
Flights on ATL–MCI arrive on time 81% of the time over the last 12 months.
On-time rate81%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled1.3%of scheduled flights
based on 3,112 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesbestOn-time82%Medianon timep9030 minCancel1.4%Flights2,775
- Southwest AirlinesOn-time75%Medianon timep9050 minCancel0.3%Flights337
Why flights run late
Delay causes
- Airline46%
- Weather6%
- Air traffic (NAS)20%
- Late aircraft28%
- Security1%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline73%
- Weather27%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 41 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly ATL → MCI
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 87% on time.
- Mornings87% on time · p90 15 min · 1,910 flights
- Middays83% on time · p90 25 min · 2,261 flights
- Afternoons78% on time · p90 35 min · 2,201 flights
- Evenings73% on time · p90 45 min · 1,495 flights
- Overnights72% on time · p90 50 min · 2,014 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 83% on time.
- Tuesdays83% on time · p90 30 min · 1,366 flights
- Wednesdays82% on time · p90 25 min · 1,383 flights
- Thursdays79% on time · p90 35 min · 1,461 flights
- Saturdays79% on time · p90 30 min · 1,204 flights
- Mondays78% on time · p90 40 min · 1,504 flights
- Fridays78% on time · p90 35 min · 1,508 flights
- Sundays75% on time · p90 45 min · 1,455 flights
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