Historical on-time performance
Los Angeles to Kansas City
1,363 miData through Dec 2025Source: US DOT · BTS
Flights on LAX–MCI arrive on time 85% of the time over the last 12 months.
On-time rate85%arrived within 15 min
p90 delay20 min1 in 10 flights is worse (tail risk)
Cancelled0.8%of scheduled flights
based on 870 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Delta Air LinesOn-time85%Medianon timep9020 minCancel0.8%Flights511
- Southwest AirlinesOn-time85%Medianon timep9020 minCancel0.8%Flights359
Why flights run late
Delay causes
- Airline38%
- Weather2%
- Air traffic (NAS)10%
- Late aircraft50%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly LAX → MCI
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 90% on time.
- Mornings90% on time · p90 10 min · 1,670 flights
- Afternoons80% on time · p90 40 min · 602 flights
- Middays78% on time · p90 30 min · 600 flights
- Evenings73% on time · p90 50 min · 990 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 85% on time.
- Saturdays85% on time · p90 20 min · 524 flights
- Tuesdays84% on time · p90 25 min · 541 flights
- Wednesdays84% on time · p90 25 min · 533 flights
- Thursdays83% on time · p90 25 min · 592 flights
- Mondays81% on time · p90 30 min · 583 flights
- Fridays79% on time · p90 30 min · 580 flights
- Sundays79% on time · p90 35 min · 554 flights
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