Salt Lake City (SLC) to Kansas City (MCI): On-Time Performance
Data through July 2026
When you fly SLC to MCI matters as much as anything else about the booking: the route swung from 92% on-time in October 2024 to just 69% in August 2024. Across the full period the route averages 83% on-time against a national 78%. Morning departures also hold up better than evening ones (88% vs 78%), which matters most in the rough months.
- On-time
- 83%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 1.2%
- Flights/day
- 2.8
- last 12 months
- Duration
- 2h 25m
- scheduled
- Distance
- 920 mi
Monthly on-time trend
Best time to fly from SLC to MCI
Aim for departures around 9 a.m. (89% on-time); avoid 9 p.m. departures (71%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 79% | 13 min |
| Tuesdaybest | 87% | 12 min |
| Wednesday | 86% | 9 min |
| Thursday | 84% | 15 min |
| Friday | 82% | 11 min |
| Saturday | 83% | 14 min |
| Sunday | 81% | 13 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft27%
- Airline operations64%
- National airspace system6%
- Weather3%
Frequently asked questions
- How often are flights from SLC to MCI delayed?
- 17% of SLC–MCI flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 13 minutes.
- What is the best time of day to fly from SLC to MCI?
- Departures around 9 a.m. have the best record (89% on-time), while departures around 9 p.m. have the worst (71%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SLC to MCI?
- The scheduled SLC–MCI flight time averages 2h 25m over 920 miles. Actual arrival times vary — flights on this route land 15+ minutes late 17% of the time.
- How often are SLC to MCI flights cancelled?
- 1.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from SLC to MCI?
- August 2024 was the roughest month in this dataset, with only 69% of arrivals on time. The best was October 2024 at 92%. If your dates are flexible, that 22-point gap is worth planning around.
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Based on 2,078 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.