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

San Francisco, CA (SFO) to Miami, FL (MIA) flight delay odds

76.8% of 1,725 official scheduled SFO-to-MIA flights arrived on time; 12.4% arrived at least 30 minutes late and 0.6% 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
76.8%arrived on time
12.4%30+ min late
0.6%cancelled
1,725scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.2%all scheduled flights
120+ minutes late2.1%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+6.6 mincompleted flights

Which departure time was most reliable for SFO to MIA?

Among qualifying SFO-to-MIA departure window results, Early morning had the highest on-time rate: 78.7% of 670 flights. Afternoon was lowest at 69.6% across 345 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning67078.7%10.6%0.6%
Afternoon34569.6%18.3%0.9%
Night67878.2%11.2%0.4%

Which weekday was most reliable for SFO to MIA?

Among qualifying SFO-to-MIA weekday results, Saturday had the highest on-time rate: 78.6% of 248 flights. Monday was lowest at 74.0% across 250 flights.

DayFlightsOn time30+ minCancelled
Monday25074.0%14.0%2.0%
Tuesday23776.8%9.7%1.3%
Wednesday24178.0%10.4%0.8%
Thursday24777.3%11.7%0.0%
Friday25477.2%13.8%0.0%
Saturday24878.6%10.9%0.0%
Sunday24875.4%16.1%0.0%

Which airline was most reliable for SFO to MIA?

Among qualifying SFO-to-MIA airline results, American Airlines had the highest on-time rate: 77.0% of 1,102 flights. United Airlines was lowest at 76.4% across 623 flights.

AirlineFlightsOn time30+ minCancelled
American Airlines1,10277.0%13.4%0.9%
United Airlines62376.4%10.6%0.0%

Which month was most reliable for SFO to MIA?

Among qualifying SFO-to-MIA month results, October 2025 had the highest on-time rate: 88.6% of 123 flights. August 2025 was lowest at 68.1% across 141 flights.

MonthFlightsOn time30+ minCancelled
July 202515571.6%14.2%0.6%
August 202514168.1%19.1%0.0%
September 20259176.9%12.1%0.0%
October 202512388.6%4.1%0.0%
November 202514382.5%9.1%0.0%
December 202513881.2%11.6%0.0%
January 202615378.4%10.5%3.9%
February 202613783.2%7.3%0.0%
March 202615479.2%11.7%1.9%
April 202615278.9%7.9%0.0%
May 202616468.9%17.1%0.0%
June 202617468.4%20.7%0.0%

What drove SFO to MIA delay minutes?

Airline was the largest recorded SFO-to-MIA delay category, accounting for 46.4% of 25,571 BTS-attributed delay minutes during July 2025–June 2026.

Airline46.4%
Late aircraft30.7%
National airspace21.8%
Weather0.9%
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.