Historical on-time performance
Salt Lake City to Kansas City
920 miData through Dec 2025Source: US DOT · BTS
Flights on SLC–MCI arrive on time 82% of the time over the last 12 months.
On-time rate82%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled1.0%of scheduled flights
based on 1,011 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time82%Medianon timep9035 minCancel1.0%Flights1,011
Why flights run late
Delay causes
- Airline67%
- Weather2%
- Air traffic (NAS)6%
- Late aircraft25%
- Security0%
Most delay minutes here are attributed to Airline.
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 (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 87% on time.
- Mornings87% on time · p90 20 min · 974 flights
- Middays82% on time · p90 30 min · 451 flights
- Afternoons81% on time · p90 40 min · 463 flights
- Evenings80% on time · p90 50 min · 310 flights
- Overnights77% on time · p90 40 min · 782 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 88% on time.
- Tuesdays88% on time · p90 20 min · 418 flights
- Wednesdays83% on time · p90 35 min · 419 flights
- Saturdays83% on time · p90 40 min · 355 flights
- Fridays82% on time · p90 30 min · 446 flights
- Thursdays82% on time · p90 35 min · 445 flights
- Mondays81% on time · p90 30 min · 453 flights
- Sundays77% on time · p90 45 min · 444 flights
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