Route
SLC → MCI
Salt Lake City International Airport Kansas City International Airport
920 miles
Return route MCI → SLC →
How punctual is this route?
- On-time arrivals
- 85.4%
- Less than 15 minutes late
- Cancelled
- 0.9%
- Of scheduled flights
- Average delay when late
- 61 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,005
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 57%
- Late-arriving aircraft 35%
- Air traffic control & airport 6%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 92.8% | 85 |
| October 2025 | 87.9% | 91 |
| November 2025 | 82.8% | 87 |
| December 2025 | 78.7% | 90 |
| January 2026 | 89.2% | 65 |
| February 2026 | 87.1% | 65 |
| March 2026 | 88.0% | 87 |
| April 2026 | 87.2% | 86 |
| May 2026 | 87.1% | 87 |
| June 2026 | 88.4% | 86 |
| July 2026 | 78.7% | 89 |
| August 2026 | 79.1% | 87 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Delta Air Lines | 1,005 | 85.4% | 0.9% | 61 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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