BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
MIA→SLC

Miami, FL (MIA) to Salt Lake City, UT (SLC) flight delay odds

75.9% of 776 official scheduled MIA-to-SLC flights arrived on time; 15.1% arrived at least 30 minutes late and 0.9% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
75.9%arrived on time
15.1%30+ min late
0.9%cancelled
776scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.7%all scheduled flights
120+ minutes late2.6%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+6.5 mincompleted flights

Which departure time was most reliable for MIA to SLC?

Among qualifying MIA-to-SLC departure window results, Late morning had the highest on-time rate: 89.6% of 48 flights. Evening was lowest at 68.5% across 435 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning28485.2%6.0%1.1%
Late morning4889.6%6.2%0.0%
Evening43568.5%21.8%0.9%

Which weekday was most reliable for MIA to SLC?

Among qualifying MIA-to-SLC weekday results, Wednesday had the highest on-time rate: 85.8% of 106 flights. Sunday was lowest at 68.1% across 113 flights.

DayFlightsOn time30+ minCancelled
Monday11474.6%17.5%1.8%
Tuesday10783.2%6.5%3.7%
Wednesday10685.8%8.5%0.0%
Thursday11274.1%17.0%0.0%
Friday11275.0%17.9%0.0%
Saturday11271.4%16.1%0.0%
Sunday11368.1%21.2%0.9%

Which airline was most reliable for MIA to SLC?

Among qualifying MIA-to-SLC airline results, Delta Air Lines had the highest on-time rate: 76.1% of 364 flights. American Airlines was lowest at 75.7% across 412 flights.

AirlineFlightsOn time30+ minCancelled
American Airlines41275.7%16.0%1.2%
Delta Air Lines36476.1%14.0%0.5%

Which month was most reliable for MIA to SLC?

Among qualifying MIA-to-SLC month results, June 2026 had the highest on-time rate: 87.7% of 81 flights. July 2025 was lowest at 53.2% across 62 flights.

MonthFlightsOn time30+ minCancelled
July 20256253.2%32.3%3.2%
August 20253663.9%16.7%0.0%
September 20253080.0%13.3%0.0%
October 20253080.0%16.7%0.0%
November 20255764.9%21.1%0.0%
December 20257574.7%21.3%0.0%
January 20269377.4%10.8%3.2%
February 20268475.0%13.1%0.0%
March 20269384.9%10.8%2.2%
April 20266674.2%13.6%0.0%
May 20266984.1%10.1%0.0%
June 20268187.7%8.6%0.0%

What drove MIA to SLC delay minutes?

Airline was the largest recorded MIA-to-SLC delay category, accounting for 41.7% of 11,150 BTS-attributed delay minutes during July 2025–June 2026.

Airline41.7%
Late aircraft35.1%
National airspace20.1%
Weather3.0%
Security0.2%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.