Historical on-time performance
Salt Lake City to Kansas City
919 miData through May 2026Source: US DOT · BTS
Flights on SLC–MCI arrive on time 83% of the time over the last 12 months.
On-time rate83%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled1.1%of scheduled flights
based on 1,015 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time83%Medianon timep9030 minCancel1.1%Flights1,015
Why flights run late
Delay causes
- Airline64%
- Weather1%
- Air traffic (NAS)6%
- Late aircraft29%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline91%
- Weather9%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 11 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 SLC → 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 — 89% on time.
- Mornings89% on time · p90 15 min · 875 flights
- Middays84% on time · p90 30 min · 553 flights
- Afternoons83% on time · p90 35 min · 432 flights
- Evenings81% on time · p90 45 min · 340 flights
- Overnights78% on time · p90 40 min · 752 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 89% on time.
- Tuesdays89% on time · p90 15 min · 410 flights
- Wednesdays86% on time · p90 25 min · 410 flights
- Thursdays83% on time · p90 30 min · 442 flights
- Saturdays83% on time · p90 35 min · 358 flights
- Fridays83% on time · p90 25 min · 444 flights
- Mondays81% on time · p90 30 min · 446 flights
- Sundays79% on time · p90 45 min · 442 flights
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