Route · MIA → SLC · 2020–2025 BTS data
Miami to Salt Lake City
The MIA–SLC corridor (Miami, FL → Salt Lake City, UT) runs ahead of the national average, served by 3 carriers across roughly 2,088 miles.
Data updated 2026-06-13
- 79.8%
- On-time
- +0.8 pts
- vs US avg
- 83 min
- Delay when late
- 2,525
- Flights
Cancelled
0.6%
Best Month
Apr 2025 86%
Worst Month
Jul 2025 56%
Distance
2,088 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 75 | 19 | 0 | 0 | DL,AA |
| Nov 2025 | 57 | 20 | 0 | 0 | DL,AA |
| Oct 2025 | 30 | 6 | 0 | 0 | DL |
| Sep 2025 | 30 | 6 | 0 | 0 | DL |
| Aug 2025 | 36 | 13 | 0 | 0 | AA,DL |
| Jul 2025 | 62 | 27 | 2 | 0 | AA,DL |
| Jun 2025 | 60 | 19 | 0 | 0 | AA,DL |
| May 2025 | 62 | 20 | 1 | 0 | AA,DL |
| Apr 2025 | 63 | 9 | 0 | 0 | DL,AA |
| Mar 2025 | 93 | 26 | 1 | 0 | AA,DL |
| Feb 2025 | 79 | 18 | 0 | 0 | AA,DL |
| Jan 2025 | 68 | 15 | 0 | 1 | AA,DL |
| Dec 2024 | 71 | 22 | 0 | 0 | AA,DL |
| Nov 2024 | 40 | 4 | 0 | 0 | DL,AA |
| Oct 2024 | 31 | 3 | 0 | 0 | DL |
| Sep 2024 | 30 | 7 | 0 | 1 | DL |
| Aug 2024 | 31 | 8 | 0 | 1 | DL |
| Jul 2024 | 31 | 11 | 3 | 0 | DL |
| Jun 2024 | 30 | 12 | 0 | 0 | DL |
| May 2024 | 31 | 11 | 0 | 0 | DL |
| Apr 2024 | 33 | 9 | 0 | 0 | AA,DL |
| Mar 2024 | 62 | 21 | 0 | 0 | AA,DL |
| Feb 2024 | 71 | 11 | 0 | 0 | AA,DL |
| Jan 2024 | 93 | 25 | 0 | 1 | AA,DL |
Cancellation Rate
0.6%
7 of 1,269 flights
Diversion Rate
0.3%
4 of 1,269 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
MIA - Miami
Full on-time, delay-cause, and seasonal performance for Miami, FL.
Origin airport →SLC - Salt Lake City
Full on-time, delay-cause, and seasonal performance for Salt Lake City, UT.
Destination airport →Compare the two airports
See MIA and SLC side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to MIA–SLC.
Routes with a similar on-time rate
What the Data Says About MIA to SLC
2,525 tracked flights put the MIA to SLC pairing (Miami to Salt Lake City) at a 79.8% on-time rate, squarely in line with the wider network. Delays that do occur run 83.4 minutes on average. Across the 2,088-mile route and its 3 carriers, the trailing 24 months show 0.6% cancelled and 0.3% diverted (1,269 flights sampled).
The monthly split is wide on this route: Apr 2025 posted the strongest performance at 86% on-time, while Jul 2025 came in at just 56% - a 29-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from MIA to SLC? ▼
What is the cancellation rate for MIA to SLC? ▼
How far is the flight from MIA to SLC? ▼
When is the best time to fly from MIA to SLC? ▼
Flight Guides
Tips and data-driven advice for choosing reliable routes.
Explore PlainFlights
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.