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WanderNerd

Route Reliability

Miami → Salt Lake City

MIASLC · 2,088 miles · Miami International Airport to Salt Lake City International Airport

80
Pretty Reliable
WanderNerd Reliability Score
76%
Arrive within 15 minutes
8 min
Average arrival delay
0.9%
Cancelled
755
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.American Airlines77%391 flights
  2. 2.Delta Air Lines74%364 flights

What the data says

Morning flights do better here.

MIA–SLC flights departing between 9 AM–12 PM arrived on time 89% of the time, versus 69% between 6–9 PM.

Sunday scaries are real for this one.

MIA–SLC flights arrived on time 87% of the time on Tuesdays and just 70% on Sundays. That gap is worth planning around.

Not much between American Airlines and Delta Air Lines.

On this route they all land within 74% to 77% on time. Pick on schedule and price.

Ticking up lately.

MIA–SLC flights arrived on time 83% of the time over the last three months in the data, compared with 77% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon71%(107 flights)
  • Tue87%(101 flights)
  • Wed85%(105 flights)
  • Thu73%(108 flights)
  • Fri72%(108 flights)
  • Sat71%(108 flights)
  • Sun70%(110 flights)
On-time by departure window
  • 6–9 AM86%(250 flights)
  • 9 AM–12 PM89%(27 flights)
  • 3–6 PM78%(23 flights)
  • 6–9 PM69%(447 flights)
On-time trend by month
84%
May

Jun 70% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%60
July 202555%60
August 202569%36
September 202580%30
October 202580%30
November 202565%57
December 202575%75
January 202680%90
February 202676%83
March 202687%91
April 202677%66
May 202684%69

Based on 755 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.