Route
MIA → SLC
Miami International Airport Salt Lake City International Airport
2,088 miles
Return route SLC → MIA →
How punctual is this route?
- On-time arrivals
- 77.3%
- Less than 15 minutes late
- Cancelled
- 0.6%
- Of scheduled flights
- Average delay when late
- 72 min
- Flights arriving 15+ minutes late
- Flights tracked
- 818
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 44%
- Late-arriving aircraft 36%
- Air traffic control & airport 17%
- Extreme weather 3%
- 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 | 80.0% | 30 |
| October 2025 | 80.0% | 30 |
| November 2025 | 64.9% | 57 |
| December 2025 | 74.7% | 75 |
| January 2026 | 80.0% | 93 |
| February 2026 | 75.9% | 84 |
| March 2026 | 86.8% | 93 |
| April 2026 | 74.2% | 66 |
| May 2026 | 84.1% | 69 |
| June 2026 | 87.7% | 81 |
| July 2026 | 61.0% | 82 |
| August 2026 | 77.6% | 58 |
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 |
|---|---|---|---|---|
| American Airlines | 454 | 75.1% | 0.7% | 73 min |
| Delta Air Lines | 364 | 80.1% | 0.5% | 71 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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