Historical on-time performance
Kansas City to Chicago
403 miData through May 2026Source: US DOT · BTS
Flights on MCI–ORD arrive on time 72% of the time over the last 12 months.
On-time rate72%arrived within 15 min
p90 delay65 min1 in 10 flights is worse (tail risk)
Cancelled2.5%of scheduled flights
based on 3,894 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysbestOn-time82%Medianon timep9040 minCancel0.9%Flights530
- United AirlinesOn-time74%Medianon timep9050 minCancel1.7%Flights1,372
- Envoy AirOn-time71%Medianon timep9060 minCancel3.5%Flights877
- American AirlinesOn-time68%Medianon timep90125 minCancel3.3%Flights270
- SkyWest AirlinesOn-time68%Medianon timep90105 minCancel3.4%Flights845
Why flights run late
Delay causes
- Airline23%
- Weather10%
- Air traffic (NAS)30%
- Late aircraft37%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline9%
- Weather65%
- Air traffic (NAS)26%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 97 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 MCI → ORD
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 — 84% on time.
- Mornings84% on time · p90 25 min · 3,854 flights
- Middays82% on time · p90 40 min · 2,499 flights
- Afternoons72% on time · p90 70 min · 1,924 flights
- Evenings66% on time · p90 70 min · 2,132 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 80% on time.
- Wednesdays80% on time · p90 40 min · 1,468 flights
- Thursdays79% on time · p90 40 min · 1,550 flights
- Saturdays79% on time · p90 40 min · 1,311 flights
- Tuesdays78% on time · p90 45 min · 1,430 flights
- Mondays77% on time · p90 50 min · 1,557 flights
- Fridays77% on time · p90 45 min · 1,559 flights
- Sundays74% on time · p90 60 min · 1,539 flights
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