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

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

83.8% of 776 official scheduled SLC-to-MIA flights arrived on time; 9.4% 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 SIGNALLower disruption
83.8%arrived on time
9.4%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 late4.8%all scheduled flights
120+ minutes late1.4%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival-0.8 mincompleted flights

Which departure time was most reliable for SLC to MIA?

Among qualifying SLC-to-MIA departure window results, Night had the highest on-time rate: 85.1% of 637 flights. Afternoon was lowest at 77.7% across 139 flights.

Departure windowFlightsOn time30+ minCancelled
Afternoon13977.7%18.0%0.0%
Night63785.1%7.5%1.1%

Which weekday was most reliable for SLC to MIA?

Among qualifying SLC-to-MIA weekday results, Wednesday had the highest on-time rate: 90.7% of 107 flights. Friday was lowest at 78.6% across 112 flights.

DayFlightsOn time30+ minCancelled
Monday11484.2%7.9%2.6%
Tuesday10789.7%3.7%1.9%
Wednesday10790.7%6.5%0.9%
Thursday11179.3%9.9%0.0%
Friday11278.6%11.6%0.0%
Saturday11280.4%16.1%0.0%
Sunday11384.1%9.7%0.9%

Which airline was most reliable for SLC to MIA?

Among qualifying SLC-to-MIA airline results, Delta Air Lines had the highest on-time rate: 87.6% of 364 flights. American Airlines was lowest at 80.3% across 412 flights.

AirlineFlightsOn time30+ minCancelled
American Airlines41280.3%13.3%1.2%
Delta Air Lines36487.6%4.9%0.5%

Which month was most reliable for SLC to MIA?

Among qualifying SLC-to-MIA month results, September 2025 had the highest on-time rate: 93.3% of 30 flights. July 2025 was lowest at 69.4% across 62 flights.

MonthFlightsOn time30+ minCancelled
July 20256269.4%17.7%3.2%
August 20253688.9%5.6%0.0%
September 20253093.3%3.3%0.0%
October 20253073.3%16.7%0.0%
November 20255786.0%8.8%0.0%
December 20257485.1%8.1%0.0%
January 20269383.9%7.5%3.2%
February 20268590.6%7.1%0.0%
March 20269382.8%11.8%2.2%
April 20266683.3%10.6%0.0%
May 20266985.5%8.7%0.0%
June 20268182.7%7.4%0.0%

What drove SLC to MIA delay minutes?

Late aircraft was the largest recorded SLC-to-MIA delay category, accounting for 46.5% of 7,422 BTS-attributed delay minutes during July 2025–June 2026.

Airline37.9%
Late aircraft46.5%
National airspace14.3%
Weather0.1%
Security1.2%
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.